Polystome
n. [动]多口孔体( 如多孔动物等)
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
Every country has its customs.
乡有乡俗。
That's why I've come to see you.
这就是我来见您的原因。