Welding burner
[化] 焊炬喷嘴
🧩 词语组成解析
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
Don't be afraid.
不要害怕。
For a long time.I watched them scurrying around the base of the tree in bewilderment.
在很长一段时间里，我看见蚂蚁围着大树底部来回转悠，不知所措。