Enterocoela
[动]腔肠动物
🗣️ 情景例句
The old couple has already been married for fifty years.
那对老夫妻结婚已经 50 年了。
I don't know how I can thank you enough.
我不知道怎样谢您才好。
The kiwi, which is New Zealand's national bird, is one of these types of flightless birds.
几维，新西兰的国鸟，就是这些不能飞行的鸟类当中的一种。