Preflight
a. 起飞前的, 为飞机起飞作准备的
🗣️ 情景例句
Are there any tours for the Grand Canyon?
有到大峡谷的旅游团吗？
One never loses anything by politeness.
有礼貌对自己不会吃亏。
and however well society, and our doctors, look after us.
不管社会和医生怎样对我们进行精心照顾，