Pegmatites
(pegmatite 的复数) n.[地质]结晶花岗岩
🗣️ 情景例句
Keep your nose to the grindstone; you'll succeed.
埋头苦干，总有成功的一天。
Therefore, having a basic knowledge of business.
因此，懂得一些商务和贸易的英语术语。
I must see the dentist now,nurse.
我必须现在就见牙科医生，护士。