| 释义 |
🔑whenwhen1 /wɛn ; weak form弱读式 wən / adverb - at what time什么时候；何时◆When did she get here?她什么时候到的？◆I don't know when she got here.我不知道她是什么时候到的。
- used for talking about the time at which something happens or happened（表示某事发生的时间）◆Sunday is the day when I can relax.星期日是我得以休息的日子。◆I saw her in May when she was in town.我五月份见过她，那时她在城里。
🔑whenwhen2 /wɛn ; weak form弱读式 wən / conjunction - at or during the time that在…时候；当…时；在…期间◆He jumped up when the phone rang.电话铃响了，他猛地跳了起来。◆When we were walking home, we saw an accident.我们走回家的时候目击了一场车祸。◆I'll call you when I'm ready.我准备好就给你打电话。
- since; as; considering that既然；因为；考虑到◆Why do you want more money when you've got enough already?既然你的钱已经够了，为什么还想要更多的钱？
➨ WHICH WORD？词语辨析When or if? * when 还是 if？When is used for talking about something that you think will happen. * when 表示认为某事会发生I'll ask her when she comes (= you are sure that she will come).她来了后我会问问她。If is used for something you are not sure will happen. * if 表示不确定某事会不会发生I'll ask her if she comes (= you are not sure whether she will come or not).如果她来，我就问问她。 |