Pegmatolite
[矿]正长石
🗣️ 情景例句
In the Spring and Autumn period, copper and iron chopsticks came into being.
在春秋时代又出现了铜制和铁制的筷子。
You'll have to decide whether you want to pass your examinations or just have a good time.
你必须决定你是想通过考试还是好好玩一玩。
Like this?
像这样？