Placoderm
n. [古生]盾皮鱼
🗣️ 情景例句
In order to catch fish, you have to do this.
要钓鱼你就得这样。
It's a beautiful country with many large rivers.
这个国家很美，它有很多大河。
Sure, Mom. I'll get some at once.
好的，妈妈。我这就去。