Echinoid
n. [动]海胆纲动物\\na. 海胆状的, 海胆属的
🗣️ 情景例句
Have you filled in the baggage declaration?
行李申请单填好了吗？
Downy lips make thoughtless slips.
嘴上没毛，办事不牢。
You might as well throw your money away as spend it in gambling.
你与其把钱花在赌博上，不如把它丢掉的好。