Hulsite
黑硼锡铁矿
🗣️ 情景例句
Our troop was under his command.
我们的部队由他指挥。
In college I majored in philosophy, What was your major?
大学时我主修哲学，你主修什么呢？
Two men took the parcel off the plane and carried it into the Customs House.
有两个人把包裹拿下飞机，进了海关。