Preflighting
(preflight 的现在分词) a. 起飞前的, 为飞机起飞作准备的
🗣️ 情景例句
before getting to the tough stuff--math.
在对付难缠的东西 数学 之前。
I will be going back to Hong Kong at this time on Monday.
我将在星期一这个时候回到香港。
I explained to her that the rich were the enemies of the people of France.
我向她解释，财主老爷才是法国人民的敌人。