Sereneness
serene的名词形式
🗣️ 情景例句
What do you call this in English?
这个用英语怎么说？
The surest way to be happy is to be busy.
要快乐，最可靠的办法是忙碌。
I'm not sure we have that much on hand.
我没把握现在的量有没有那么多。