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
Do you have any animals now?
你现在还养着什么动物吗？
I can't be sure of my future plans.
我还没有明白地定下我将来的计划。
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。