单词	April fool
释义	April fool noun : the butt of a joke or trick played on April Fools' Day also : such a joke or trick Word History First Known Use 1629, in the meaning defined above
随便看	acetylamino- acetylate acetylated acetylates acetylating acetylation acetylations acetylative acetylcarbinol acetylcholine acetylcholines acetylcholinesterase acetylcholinesterases acetylenation acetylene acetylene black acetylene linkage acetylene series acetylene tetrachloride acetylene torch acetylenes acetylenic acetylenyl acetylglycine acetylide

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