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
The next thing they'll see is this enlargement with the words Family Album,
他们接着看到的是U.S.A. Family Album, U.S.A.这几个放大的字。
I can manage. But thank you, anyway.
我自己行了，但还是要谢谢您。
This time they fixed heavy metal clamps to both sides of the dish so that they could fasten the chains.
这次，他们用沉重的金属夹子把盘子夹住，以便往盘子上安装铁链。