慢速英语:Everyday Grammar: You Had Better Learn Modals!

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1. express vt.表达; 表示
例句：I felt called on to express my opinion on the matter.
我感觉有义务对这事表示我的意见。

2. trust vt.相信， 信任
例句：She learnt to trust nobody.
她认识到了不要相信任何人。

3. urgency n.紧迫; 急迫; 急事
例句：Rarely did she request help but this was a matter of urgency.
她很少求助于人, 这事却是十分紧急。

4. disappear vi.不见，消失
例句：When I think of you the miles between us disappear.
千山万水,隔不断我对你的思念。

5. decide vt.决定; 决心
例句：Think well before you decide.
深思熟虑以后你再作决定。