Wherryite
碳硫酸氯鉛礦
??? 情景例句
It's 5:00 p.m. today.
今天下午5點整。
Could you do me a favor?
我想請你幫個忙。
John is a Canadian. He lives in a tall building in the city of Toronto.
約翰是加拿大人。他住在多倫多市的一幢高樓里。