Placoderms
(placoderm 的复数) n.[古生]盾皮鱼
🗣️ 情景例句
Protein, vitamins.
蛋白质， 维他命。
I think it's going to take at least 2 days.
我认为它将花至少两天时间。
However, this does not always happen.
然而，情况并不都是这样，