Echinoid
n. [动]海胆纲动物\\na. 海胆状的, 海胆属的
🗣️ 情景例句
She was sick so the didn't attend her classes.
她生病了，所以没上学。
Sometimes Henry peeps into his sister's diary.
亨利有时候会偷看他姐姐的日记。
We'll be calling you again next month.
下个月我们会再打电话给你。