Area of safe operation
[化] 安全工作区
🧩 词语组成解析
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
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
To catch fish, you need the right magic.
要钓得到鱼 你得用对魔法。
This offer must be withdrawn if we haven't received your reply within five days.
如果5天之内我方未必到贵方答复，该盘撤消。
I need some sleep.
我需要睡眠。