Preflight
a. 起飞前的, 为飞机起飞作准备的
🗣️ 情景例句
Building a city can be a disaster for the environment.
新建一个城市对于环境来说可能是一场灾难。
A fox may grow grey, but never good.
狐狸会变，但本性难移。
an Englishman, Sir John Hawkwood, made the remarkable discovery that people would rather pay large sums of money than have their life work destroyed by gangsters.
人们情愿拿出大笔的钱，也不愿毕生的心血毁于歹徒之手。