Limnobium
沼萍属
🗣️ 情景例句
Mrs. Greenberg is on the phone.
Greenberg太太打电话来。
It's a sunny day.
今天是个艳阳天。
of a change of atmosphere, of a diversion of effort, is essential.
改变一下气氛，转移一下注意力，这是不可缺少的。