Potamobenthos
河流的底栖有机体
🗣️ 情景例句
It's a great opportunity for you, Harry.
这对你是个大好机会， Harry。
What do you going to wear today?
你今天穿什么衣服？
Because Manhattan Island is made of solid rock, it is safe to build very tall buildings.
曼合顿岛是由坚固的岩石构成的，这使得兴建大厦非常安全。