单词	crackerjack
释义	crack·er·jack (krăkər-jăk′) also crack·a·jack (krăkə-) adj. Slang Of excellent quality or ability; fine. [Probably from CRACK, first-rate + JACK.] cracker·jack′ n.
随便看	acrodont acrolect acrolectal acrolein acromegalic acromegaly acromelic acromial acromion acronym acronymic acronymous acropetal acropetally acrophobe acrophobia acrophobic acrophonic acrophony acropolis acrosomal acrosome across across-the-board across the board

英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。