beforehand
英 /bɪˈfɔːhænd/
中文释义
adv. 预先，事先
Doing something in advance or prior to a specific time.
常用搭配
- prepare beforehand事先准备
- know beforehand事先知道
- arranged beforehand提前安排
例句
- Let me know beforehand if you're coming.你要来的话事先告诉我。
- We should test the equipment beforehand.我们应该事先测试设备。