Preemergent
a. (植物种子)出土前的,出土前施用的
🗣️ 情景例句
Don't drink then drive.
不要酒后开车。
Could you take a picture for me?
你能帮我拍照吗？
Well, I can't leave before nine. I have a lot of work to do.
嗯，我9：00以前离不开。我有很多作业要做。