| 单词 | sign up to sth |
| 释义 | ● ˌsign ˈup to sth (BrE ) to commit yourself to a project or course of action , especially one that you have agreed with a group of other people , countries or organizations 签署同意；签订◆ 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》？sign up to do sth to agree to take part in sth 同意参与◆ 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。See also sign |
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