Anthracitization
無(wú)煙煤化作用
??? 情景例句
Well ...? Could we ask for anything more?
嗯…… 我們還有什么可求的嗎？
He learns Japanese every day.
他每天都學(xué)日語(yǔ)。
Who is this young man?
這個(gè)年輕人是誰(shuí)？