Triploblastica
三胚层动物
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
Sure. Should I check your radiator?
好的。要不要检查一下散热器？
Of course.I think there are a few in that box.
当然可以。我想那个盒子里有一些。