Sterlingite
红锌矿
🗣️ 情景例句
I'm thrilled for you, Grandpa.
我真为你兴奋， 爷爷。
I meet the boy whose aunt is an editor.
我遇到那男孩的姑妈是编辑。
Dentists always ask questions when it is impossible for you to answer.
牙科医生们总是在你无法作出回答的时候向你提出问题。