Pre-flight
a. 飞行前的
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
I really mean it.
当然是真的。
What's it to you?
跟你有什么关系？
It happens every night. The noise wakes me up. Would you please not do this?
每晚都这样。这声音总吵醒我！请你别这样，好吗？