| 词汇 | ascertain |
| 释义 | ascertain verb [ T ] formal uk/ˌæs.əˈteɪn/ us/ˌæs.ɚˈteɪn/ 弄清，确定，查明 to discover something The police have so far been unable to ascertain the cause of the explosion. 警方到目前为止尚未查明爆炸原因。 [ + question word ] Have you ascertained whether she's coming or not? 你问清楚了吗，她来还是不来？ 确信 to make certain of something [ + that ] I ascertained that no one could overhear us before I told Otto the news. 确信没有人能听到我们的谈话之后，我才把这个消息告诉了奥托。 |
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