Placoderm
n. [古生]盾皮鱼
🗣️ 情景例句
How many people are there in your family?
你家里有几口人？
I hope it turns out all right.
我希望结果很好。
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。