| 单词 | 前置 |
| 释义 | 〔ksun〕Preposition and preverb meaning "with.”意为“和，陪伴.”的介系词和前置动词〔prepositive〕Put before; prefixed.前置的，前缀的〔predeterminer〕An adjectival word that can stand before an article, a possessive pronoun, or another determiner, asall in all the flowers or both in both his children. 前置限定词：可用在冠词、物主代词或另一个限定词之前的形容词，如all the flowers 中的 all 或 both his children 中的 both 〔prepositive〕A word or particle put before another word.前置或前缀的词：放在另一个单词前的单词或小品词〔but〕Traditional grammarians have worried over what form the pronoun ought to take whenbut is used to indicate an exception in sentences such as No one but I (or No one but me ) has read it. Some have argued thatbut is a conjunction in these sentences and therefore should be followed by the nominative formI. However, many of these grammarians have gone on to argue somewhat inconsistentlythat the accusative formme is appropriate when the but phrase occurs at the end of a sentence, as inNo one has read it but me. While this treatment of the construction has a considerable weight of precedent on its sideand cannot be regarded as incorrect,a strong case can be made on grammatical grounds for treating this use ofbut as a preposition. For one thing, ifbut were truly a conjunction here, we would expect the verb to agree in person and number with the noun or pronoun followingbut; we would then sayNo one but the students have read it. What is more, ifbut were a true conjunction here we would not expect that it could be moved to the end of a clause, as inNo one has read it but the students. Note that we cannot use the conjunctionand in a similar way, saying John left and everyone else in the class in place of John and everyone else in the class left. These observations suggest thatbut is best considered as a preposition here and followed by accusative forms such asme and them in all positions: No one but me has read it. No one has read it but me. These recommendations are supported by 73 percent of the Usage Panel when thebut phrase precedes the verb and by 93 percent when thebut phrase follows the verb. · But is redundant when used together with however, as in But the army, however, went on with its plans; one or the other word should be eliminated. ·But is generally not followed by a comma. Correct written style requiresKim wanted to go, but we stayed, not Kim wanted to go, but, we stayed. · But may be used to begin a sentence at all levels of style. See Usage Note at and ,cannot ,doubt ,however ,I 1传统的语法学家考虑当but 用于表示例外的意思时应该用什么形式的代词，比如 No one but I （或者 No one but me ) has read it 。 有人认为but 在这种句子中是个连词， 因此应该使用主格I。 然而许多语法学家接下来的讨论有些不一致，即当but 短语出现在句子末尾时用宾格 me 比较合适， 如No one has read it but me（除我以外没有人读过它）。 同时这种结构前置处理的重要性是值得考虑的，并且不会被认为是不正确的，一个有力的例子在语法范畴内，认为but 在这里作介词使用。 首先如果but 在此真是一个连词的话， 我们会期望同名词或代词在人称和数上保持一致的动词跟在but 后面； 我们会说No one but the students have read it（除学生以外没有人读过它）。 再者，如果but 在此真是连词的话，我们不希望它被放在句子末尾， 如在句子No one has read it but the students 中。 注意我们不以类似的方式来使用连词and ，说 John left and everyone else in the class 来代替 John and everyone else in the class left。 这些发现表明but 在此最好被当作介词， 在任何位置后面都应跟宾格形式如me 和 them ： No one but me has read it. No one has read it but me（除了我没人读过它）。 当but 短语放在动词之前时，有百分之七十三的用法专题使用小组成员支持这些提议； 而当but 短语放在动词之后时，得到百分之九十三的小组成员的支持。 But 在同 however 一起使用时是多余的，如 But the army, however, went on with its plans； 这两个词必须去掉其中一个。But 通常后面不加逗号。 正确的写法是Kim wanted to go, but we stayed, 而不是 Kim wanted to go, but, we stayed 。 But 可以放在所有文体标准的句子开头 参见 and,cannot,doubt,however,I1〔problem〕from proballein [to throw before, put forward] 源自 proballein [前置，放在前面] 〔preamplifier〕An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages.前置放大器：电子线路或装置，用来探测并加强无线电接收机所发出的微弱信号，从而使其达到更加有力的增幅程度〔that〕The standard rule isthatthat should be used only to introduce a restrictive (or "defining") relative clause, which serves to identify the entity being talked about;in this useit should never be preceded by a comma.Thus, we sayThe house that Jack built has been torn down, where the clausethat Jack built tells which house was torn down, orI am looking for a book that is easy to read, wherethat is easy to read tells what kind of book is desired. Onlywhich is to be used with nonrestrictive (or "nondefining") clauses, which give additional information about an entity that has already been identified in the context;in this use,which is always preceded by a comma. Thus, we sayThe students in Chemistry 10 have been complaining about the textbook, which (not that ) is hard to follow. The clausewhich is hard to follow does not indicate which text is being complained about; even if it were omitted,we would know that the phrasethe textbook refers to the text in Chemistry 10. The use ofthat in nonrestrictive clauses like this, though once common in writing and still frequent in speech,is best avoided in formal style. ·Some grammarians have argued that symmetry requires thatwhich should be used only in nonrestrictive clauses, asthat is to be used only in restrictive clauses. Thus, they suggest that we should avoid sentences such asI need a book which will tell me all about city gardening, where the clausewhich will tell me all about city gardening indicates which sort of book is needed. Such use ofwhich is useful where two or more relative clauses are joined by and or or, as inIt is a philosophy in which the common man may find solace and which many have found reason to praise. Which is also preferred to introduce a restrictive relative clausewhen the preceding phrase itself contains athat, as inI can only give you that which I don't need (not that that I don't need ) or We want to assign only that book which will be most helpful (preferred tothat book that will be most helpful ). · That may be omitted in a relative clause when the subject of the clause is different from the referent of the phrase preceding the clause. Thus, we may say eitherthe book that I was reading or the book I was reading, where the subject of the clause (I ) is not the referent of the phrase the book. Omission ofthat in these cases has sometimes been described as incorrect, but the practice is extremely common and has ample precedent in reputable writing. ·There have also been occasional objections to the omission ofthat in its use to introduce a subordinate clause, as inI think we should try again. But this usage is entirely idiomatic and is in fact favored with some of the verb phrases that can introduce such clauses:thus, one would more normally write 标准规则中，that 应只被用于引导限定性（或“确定的”）关系从句， 这些从句用于明确正被谈论的实体；在这种情况下，前面决不能有逗号。因此，我们说杰克建的房子已经拆毁了 ， 在这里，从句杰克所建的 指明哪幢房子被拆毁了， 或者我正在找一本易读的书 ， 在这里，易读的 指明哪类书是需要的。 只有which 用于非限定性（或“不确定的”）从句中， 为已经在上下文中定义的实体提供附加信息；在此用法中，which 之前总有逗号。 因此，我们说化学10班的学生一直在抱怨这课本，实在 （不是 that ) 是太难懂了 。 从句which is hard to follow 并不指明哪一课本被抱怨； 即使它被省略，我们也知道the textbook 指化学10班的课本。 That 象这样用于非限定性从句中， 虽然在写作中曾很普遍而且在口语中依然频繁出现，但在正式文体中最好避免使用。一些语法学家认为对称性要求which 应只用于非限定性从句中， 就象that 只用于限定性从句中。 因此，他们建议我们应该避免诸如我需要一本关于城市园艺的书 这样的句子， 这里从句which will tell me all about city gardening 指明需要何种书。 当两个或多个关系从句被and 或 or 连接时， which 的这种用法很有用， 如是哲学使普通人找到慰藉并使许多人有理由去称颂。 Which 也用作引导限定性关系从句，在当前置短语中含有that 时， 如我只能给你我不需要的东西 （不是 that that I don't need )或 我们只想分发那本最用的书 （好于that book that will be most helpful )。 当从句主语与从句前短语所指不一致时，that 在关系从句中可以省略。 因此，我们可以说the book that I was reading 或者 the book I was reading 。 在这里，从句主语(I )和短语 the book 的主语不同。 在这些情况下，that 的省略有时被认为是错误的， 但是这在实际中极普遍而且在规范写作中有充分的先例。对于that 用于引导从句时被省略偶然持有异议， 如在我认为我们应该再试一次 中。 但这种用法完全符合语法而且实际上有一些引导这样从句的短语支持；因此，可以正常应用 〔preposition〕from Latin praepositiō praepositiōn- [a putting before, preposition] translation of Greek prothesis 源自 拉丁语 praepositiō praepositiōn- [前置，介词] 希腊语 prothesis的翻译 |
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