单词	amine
释义	amine /ˈeɪmiːn / noun Chemistry An organic compound derived from ammonia by replacement of one or more hydrogen atoms by organic groups.Ammonia and the organic amines, molecules in which one or more of the hydrogen atoms of ammonia are replaced by organic groups, are weak bases.... Primary amides are prepared by reacting ammonia or amines with acid chlorides, anhydrides, or esters. The early coordination compounds prepared using ammonia were metal amines. Origin Mid 19th century: from ammonia + -ine4.
随便看	take one's hat off to take one's leave take one's life in one's hands take one's medicine take one's place take one's seat take one's time take (or bear) the consequences take (or bring) someone down a peg or two take (or catch) someone's fancy take (or draw) someone aside take (or draw) someone to/on one side take (or get) a pounding take (or get) one's lumps take (or have) a punt at take (or have) pity take (or lift) the lid off (or lift the lid on) take (or pick) up the slack take (or plead) the Fifth take (or plead) the Fifth Amendment takeout take-out double take over takeover takeover bid

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