beforehand
柯林斯詞典
1. ADV If you do something beforehand, you do it earlier than a particular event. 事先; 預(yù)先
How could she tell beforehand that I was going to go out?
她如何預(yù)先知道我將出門的？
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beforehand /b??f???h?nd/
劍橋詞典
- earlier (than a particular time )
事先，預(yù)先
I knew she was coming that afternoon because she had phoned beforehand to say so. 我知道她那天下午要來，因爲她事先打電話跟我說過。 返回 beforehand