Serrulation
n. 细锯齿状, 细锯齿
🗣️ 情景例句
How much does it weigh?
它多重？
What brings you here?
什么风把你吹来啦？
You are better now, but you mustn't get up yet. You must stay in bed for another two days.
你现在好些了，但你还不应该起床。你必须再卧床两天。