Safe clearance
[化] 安全净空
🧩 词语组成解析
safe
[sef]
adj. 安全的;保险的，肯定的;无损的;提供保护的;
n. 保险箱，保险柜;冷藏箱;〈俚〉避孕套;
🗣️ 情景例句
She took a medical course.
她选读医学课程。
You can't make omelets (or omeletts) without breaking eggs.
有失才有得。
Well, I couldn't sleep last night.
啊，我昨晚上没睡好觉。