英语词汇“sign up to”的释义、用法及例句-英汉例句词典-知否

词汇	sign up to
例句	phrasal verb How many countries have signed up to the Kyoto protocol on climate change? 有多少个国家签订了关于气候变化的《京都议定书》？ We have about 100 people signed up to help so far. 到目前为止我们有大约 100 人同意提供帮助。
随便看	unwinding unwinds unwise unwisely unwitting unwittingly unwonted unworkable unworldly unworried unworthiness unworthy unwrap unwrapped unwrapping unwraps unwritten unyielding unzip unzipped unzipping unzips up- up up against something

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