Coalgas
n. 煤氣
??? 情景例句
My mom's decorating it right now.
我媽媽正在淋奶油。
Is it long way from here to the United Air Lines counter?
從這里到美國航空公司柜臺有一段很遠的路。
I'm afraid the item you substituted didn't work.
你這代替品恐怕不能用。