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
Too much tea will brown your teeth, but it's good for your health; so what are you going to do?
茶喝多了会把你的牙齿染黄，但对你的身体去有好处。因此你会怎么办？
We finally made it.
我们终于做到了！
We can't decide who should open it first.
我们难以决定谁先打开礼物包。