| 单词 | 罕见 |
| 释义 | 〔scarcity〕antiques that are valued for their scarcity.因罕见而值钱的古董〔coccidiosis〕A parasitic disease of many animals, including cattle, swine, sheep, dogs, cats, and poultry, but rarely of human beings, resulting from infestation of the alimentary canal by protozoans of the order Coccidia.球杆菌：许多动物，包括牛、猪、羊、狗、猫与家禽的由寄生虫引起的病，但人类罕见，由球孢子菌的原生动物经由营养管道的感染而引起〔rarity〕The quality or state of being rare; infrequency of occurrence.罕见，稀有：少见的品质或状态；发生的次数不多〔cryolite〕An uncommon, white, vitreous natural fluoride of aluminum and sodium, Na3AlF 6, nearly invisible in water in powdered form and used chiefly in the electrolytic recovery of aluminum. Also called Greenland spar 冰晶石：一种罕见的、白色、玻璃状的天然铝和钠的氟化物，Na3AlF 6，以粉末的形式在水中是看不到的，主要用于铝的电解质复原 也作 Greenland spar〔generosity〕"Uncommon generosity causes neglect rather than ingratitude"(Héloise)“罕见的慷慨引起怠慢而不是忘恩负义”(埃罗伊兹)〔insignia〕From the singular use ofinsignia comes the plural insignias, which is also common in reputable writing.The Latin singularinsigne is rare and may strike some readers as pedantic.从insignia 的单数用法衍生到复数用法 inisiguias ， 这种用法在规范的写作中也很常见。拉丁语的单数形式insigue 很罕见， 这可能会使一些读者认为是在卖弄学问〔unwonted〕Not habitual or ordinary; unusual:罕见的：并非习惯性的或并非为通常状况的；不寻常的：〔prodigy〕An act or event so extraordinary or rare as to inspire wonder.See Synonyms at wonder 奇观，奇迹：奇特的或罕见的引起人们惊叹的事件或行为 参见 wonder〔infrequent〕Situated or placed at rather wide intervals, as in time or space:罕见的：位于或置于大间隔的，如时间或空间上的：〔scarce〕Hard to find; absent or rare:难得的；缺少的或罕见的：〔crocoite〕A rare lead chromate mineral, PbCrO4, that forms brilliant orange crystals. 铬铅矿：一种罕见的铬酸盐铅矿，PbCrO4，可形成鲜艳的桔色结晶 〔pensive〕"The Contemplative Atheist is rare . . . And yet they seem to be more than they are" (Francis Bacon).“喜欢深思的无神论者是很罕见的…他们看起来实际更喜欢思考” （弗朗西斯·培根）。〔bayonet〕It is not unusual for a word to come from a place name.Cheddar, from the name of a village in southwest England; hamburger, after Hamburg, Germany; and mayonnaise, possibly from Mahón, the capital of Minorca, are often found together on our tables.The wordbayonet, a very undomestic sort of word, also derives from a place name,that of Bayonne, a town in southwest France where the weapon was first made.The French wordbaïonnette could mean "a dagger or a knife" as well, and the English word bayonet is first found in 1672 with this meaning. The word is first recorded in its present sense in 1704.一个词来源于一个地名并非罕见。Cheddar 来源于英格兰西南部一个村庄的名字； hamburger 是根据德国汉堡而得名； mayonnaise 可能来自米诺卡岛的首府梅霍恩， 这些词常常可以在我们的表里一齐被找到。bayonet， 一个与母语毫无关系的词， 也是来自地名，那就是法国西南城镇巴约讷，在那里首先造出了这种武器。法语词baionnette 可能意味着“短剑或刀”，同样英语的 bayonet 于1672年第一次被发现时也具有这个意思。 在1704年这个词首次以现在的意思被记录下来〔rare〕Infrequently occurring; uncommon:罕见的：很少发生的；特殊的：〔scarcity〕Rarity of appearance or occurrence:稀少，罕见：少见或很少出现：〔unwonted〕"Her unwonted breach of delicacy . . . perplexed him"(George Meredith)“对于她来讲很罕见的直接了当…让他迷惑不解”(乔治·梅雷迪恩)〔AIDS〕A severe immunological disorder caused by the retrovirus HIV, resulting in a defect in cell-mediated immune response that is manifested by increased susceptibility to opportunistic infections and to certain rare cancers, especially Kaposi's sarcoma. It is transmitted primarily by venereal routes or exposure to contaminated blood or blood products.爱滋病：一种由逆转录酶病毒引起的严重免疫系统混乱，导致细胞介质免疫功能的缺失，表现为容易受感染和受某些罕见癌症的侵袭，尤其是卡波济氏肿瘤。主要经过性交渠道或接触受感染的血液或血液制品而传播〔infrequent〕Not occurring regularly; occasional or rare:不经常的：不经常发生的；偶然的或罕见的：〔uncommon〕Not common; rare.不寻常的；罕见的〔crown〕considered the rare Turkish stamp the crown of their collection.把这枚罕见的土耳其邮票被看作是他们收藏品中的极品〔supernova〕A rare celestial phenomenon involving the explosion of most of the material in a star, resulting in an extremely bright, short-lived object that emits vast amounts of energy.超新星：一种罕见的天文现象，表现为一恒星中的绝大部分物质爆炸后，产生能放射极大能量的极为明亮而存在时间极短的物体 |
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