Welsbach
burner韦耳斯拔煤气喷嘴
🗣️ 情景例句
Where exactly is it?
到底在哪里？
I learned English this morning.
我今天早上学英文。
These lights flickered continuously like traffic lights which have gone mad.
灯泡一刻不停地闪烁着，就像失去了控制的红绿灯。