Nitrocalcite
鈣硝石
??? 情景例句
Well, let's take everything to the living room.
嗯， 我們把東西都放到客廳去。
You should be punctual for appointments.
你應(yīng)該準(zhǔn)時(shí)赴約。
Though we all got out to examine the fissure, he remained in the car.
我們紛紛下車察看那個(gè)大裂縫，他卻呆在車上。