Polystome
n. [动]多口孔体( 如多孔动物等)
🗣️ 情景例句
He's still not used to life in the city.
他仍然没有适应城市生活。
It's up to us to help those in need.
我们有责任帮助那些有困难的人。
This morning, however, a firemen accidentally discovered the cause.
然而今天上午，一个消防队员偶然发现了起火的原因。