Ostracoderms
(ostracoderm 的第三人称 -s形式) [古生]n.& adj.甲胄鱼(的)
🗣️ 情景例句
Oh. I'm sorry.
噢，对不起。
Oh! Look who's coming?
哟！看看是谁来啦？
It has never been explained why university students seem to enjoy practical jokes more than else.
谁也弄不清为什么大学生好像比任何人都更喜欢恶作剧。