Ostracoderms
(ostracoderm 的第三人称 -s形式) [古生]n.& adj.甲胄鱼(的)
🗣️ 情景例句
He goes to high school.
他在上高中。
Know something of everything and everything of something.
既要有一般常识，又要有专业知识。
We were so excited, my brother and I, that we did not get to sleep until very late.
我们太激动，以至于我和我弟到很晚才睡得着。