Potamobenthos
河流的底栖有机体
🗣️ 情景例句
that you care about us.
关心我们大家。
No. I've been in California for the past month.
没有，我刚到加利福尼亚去了一个月。
It was not yet light, so it was easy to stay hidden.
天还没亮，所以很容易隐蔽。