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Ain't is a colloquialism and contraction for "am not", "is not", "are not", "has not", and "have not" in the common English language vernacular. In some dialects ain't is also used as a contraction of "do not", "does not", and "did not". The usage of ain't is a perennial subject of controversy in English. Widely used by many people, and found in most dictionaries, its use is often considered by prescriptionists to be informal, nonstandard, or improper.
perennial
中频词，你记住了吗？
[英] [pəˈreni:əl] [美] [pəˈrɛniəl]
adj. 终年的，长久的；多年生的；不断生长的；四季不断的
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发表于 2012-12-27 21:23:05
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