| 单词 | could |
| 释义 | could [strong form kʊd] [weak form kəd] verb CAN 能 ESSENTIAL ■past simple of can, used to talk about what someone or something was able or allowed to do （表示能够或允许）能，可以 •When I was younger I could stay up all night and not get tired.我年轻时，一通宵不睡觉都不觉得累。 •It was so noisy that we couldn't hear ourselves speak.太吵了，我们连自己说话都听不见。 •You said we could watch television when we've finished our homework.你说过我们完成功课后可以看电视。 •We asked if the computer could access the Internet.我们询问这台电脑能否上网。 [strong form kʊd] [weak form kəd] verb Common Learner Errors couldCould is followed by an infinitive verb without 'to'.Don't say 'could to do something', say could do something : ✗ We're glad you could to come to our party.We're glad you could come to our party. [strong form kʊd] [weak form kəd] modal verb PERMISSION 许可 ESSENTIAL ■used as a more polite form of 'can' when asking for permission （礼貌地请求许可）可以，能 •Could I speak to Mr Davis, please?我可以和戴维斯先生通话吗？ •Excuse me, could I just say something?对不起，我可以讲几句话吗？ [strong form kʊd] [weak form kəd] modal verb REQUEST 请求 ESSENTIAL ■used as a more polite form of 'can' when asking someone to provide something or do something （礼貌地请求提供某物或做某事）能，可以 •Could you lend me £5?你能借我五英镑吗？ •Could you possibly turn that music down a little, please?你能把音乐声调低一点吗？ [strong form kʊd] [weak form kəd] modal verb POSSIBILITY 可能性 ESSENTIAL ■used to express possibility, especially slight or uncertain possibility （尤用于表示微小或不确定的可能性）可以，能，也许 •A lot of crime could be prevented.许多犯罪活动是可以防止的。 •She could arrive anytime now.她现在随时会到。 •This new drug could be an important step in the fight against cancer.这种新药可能是攻克癌症过程中迈出的重要一步。 •Be careful with that stick - it could have [strong form kʊd] [weak form kəd] modal verb SUGGEST 建议 ESSENTIAL ■used for making a suggestion （用于提出建议）可以，能 •We could go for a drink after work tomorrow, if you like.要是你愿意，明天我们下班后可以去喝上一杯。 •You could always [strong form kʊd] [weak form kəd] modal verb SHOULD 应该 ■used for saying, especially angrily, what you think someone else should do （尤指生气地对某人表示不满）应该 •Well, you could try to look a little more enthusiastic!喂，你应该表现得热心一点！ •I waited ages for you - you could've said that you weren't coming!我等了你很久——你应该提前说一声你不来！ [strong form kʊd] [weak form kəd] modal verb could do with sth informal ■If you could do with something, you want it very much 很想要… •I could do with a rest.我很想休息一会儿。 |
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