Barytine
重晶石
??? 情景例句
Can you tell me where the campus library is located?
能告訴我校圖書館在哪兒嗎？
He failed the examination but he didn't seem to care.
他考試不及格卻似乎并不在乎。
You can often buy things from their shop on your way home.
你可以經常在回家的路上到商店買你所需要的東西。