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abstract, extract和tractor有个共同词根tract(拉丁文: pull)。从论文里pull内容，就形成了摘要。 An abstract is a brief summary of a research article, thesis [论文], review [回顾报告; 评论 阅读全文
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absent Absenteeism is a habitual [习惯性的] pattern of absence from a duty or obligation [职责] without good reason. Generally, absenteeism is unplanned abs 阅读全文
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abandon Abandon is a 2002 American psychological thriller drama film [惊悚片] ... Waiting for Handler on campus [校园], Katie is once again attacked by Emb 阅读全文
摘要：
ache和pain可能没啥差别，头疼和头好痛都对。从词典来看，有backache, bellyache, earache, headache, heartache, moustache/mustache (刮胡子时疼), panache (老公心疼……钱包), stomachache和toothac 阅读全文
摘要：
ace An ace is a playing card, die or domino with a single pip. In the standard French deck, an ace has a single suit symbol (a heart, diamond, spade, 阅读全文
