Potamobenthos
河流的底栖有机体
🗣️ 情景例句
Lots of people are tired of higher taxes.
许多人对于增税很厌烦。
Why am I always expected to pay the bills?
为什么老是由我来付账呢？
I was born in England -- in a small town near London.
我生于英格兰--伦敦城附近的一个小镇。