单词 | could |
释义 | could (kd) aux.v. Past tense of can1. 1. Used to indicate ability or permission in the past: I could run faster then. Only men could go to the club in those days. 2. Used with hypothetical or conditional force: If we could help, we would. 3. Used to indicate tentativeness or politeness: I could be wrong. Could you come over here? |
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