Prelaunch
a. 发射前的,下水前的
🗣️ 情景例句
I don't see any breaks or fractures.
我看不出有任何破裂或骨折。
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
So I called on you and asked if I could borrow some jewellery. Do you remember now?
于是我去看望你，问你可不可以借给我一些首饰。现在想起来了吧。