Safety operation area
[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;
🗣️ 情景例句
Yes, but the number's no longer in service.
打过，但那个号码是空号。
How long does it take?
火车要开多久？
Although we can't see these atoms, they really do exist.
虽然我们看不见原子，但它们的确存在。