Preflight
a. 起飞前的, 为飞机起飞作准备的
🗣️ 情景例句
Are you having a good time, Susan?
玩得高兴吗， Susan？
It's certainly a big improvement over yestterday.
肯定比昨天大有好转。
'Whatever are you doing up here Bill?' asked the vicar in surprise.
“你究竟在这上面干什么，比尔？”牧师惊讶地问。