| 释义 |
ˌsign ˈup to sth1(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》？2signto 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。 |