Cheonan
[地名] [韩国] 天安
🗣️ 情景例句
and come back Sunday.
然后在星期天回来。
Don't even think about it!
想都别想！
Oxygen is widely used in ship repairs for cutting and joining metal plates or pipes.
在船舶修理过程中，常常使用氧气切割和焊接金属板或金属管。