Echinoid
n. [动]海胆纲动物\\na. 海胆状的, 海胆属的
🗣️ 情景例句
I've had a pretty high fever since yesterday morning.
从昨天早上起，我就一直发高烧。
I wonder what makes you late.
我不知道是什么使你迟到。
We'd better not just talk; let's go to the river to bathe.
我们最好别光顾说了；咱们去河里游泳吧。