英语词汇“sign-in”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	sign-in
释义	sign-in /suyn"in'/, n. an act, an instance, or a time of signing in. [1945-50; n. use of v. phrase sign in]
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英语词典包含168451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。