| 单词 | 延用 |
| 释义 | 〔scuba〕To goscuba diving sounds much more desirable than to go self-contained underwater breathing apparatus diving. In talking about such an apparatus, first successfully tested in 1943, it must have seemed much simpler to sayscuba, taking the first letter of each word in the phrase and putting them together to form one word.Scuba, like other acronyms, as such words are called, has a vowel at a point that allows it to be pronounced like an English word.The word, first recorded in 1952, has been accepted to the extent that people probably rarely think of it as a collection of initials and furthermore have used it in forming other words, such asscuba-dive. In fact, a verbscuba was first recorded in 1973 and is still in use. 用scuba diving 要比用 self-contained underwater breathing apparatus diving 听起来更能令有接受。 当谈及这种首次在1943年试验成功的装置时，能不费力地说scruba ， 把词组中每个单字的第一个字母都集合在一起形成一个单词。Scuba 与其它同样叫法的首字缩略词一样， 在某一点有一元音，这样使它在发音时听起来象一个英语单词。自从这个单词首次在1952年出现后，已经被人们广为使用，大概人们很少会把它看作是首字母的集合体，甚至人们把它还用于其它单词中，例如scuba-dive 。 事实上，动词scuba 是在1973年首次被记录，并一直延用至今 〔rather〕This use ofhad was once widely criticized as a mistake, the result of a misanalysis of the contraction in sentences such asI'd rather stay. But it is in fact a survival of the subjunctive formhad that appears in constructions like had better and had best, as in 这种对had 的使用曾经招致广泛的批评， 人们认为这是由于对I'd rather stay 这句话简略形式的误解所致。 但实际上这是对例如在had better 或 had best 中 had 虚拟用法的延用，我们能说： |
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