Perthosite
[地质]淡钠二长岩
🗣️ 情景例句
Keep the meter running.
继续打表吧。
It is too late to cast anchor when the ship is on the rock.
船触礁后在抛锚，为时已经太晚了。
The boy mustn't go to school yet,Mr.Williams.
这孩子还不能去上学，