Echinoids
(echinoid 的復數) n.[動]海膽綱動物\\na. 海膽狀的, 海膽屬的
??? 情景例句
Could you work in her place?
你能代替她嗎？
If he doesn't take care of him, I will.
如果他不，我將照顧他。
You must be very popular .
你一定很受歡迎。