Echinoids
(echinoid 的复数) n.[动]海胆纲动物\\na. 海胆状的, 海胆属的
🗣️ 情景例句
I think it looks great, thank you.
我觉得它看起来不错， 谢谢！
The train is comfortable.
坐火车很舒服。
They work all day.
他们整天营业。