| 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 sthto 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 |