Echinus
n. 海胆
🗣️ 情景例句
Is this your very first advanced aerobics class?
这是你第一次上有氧运动高级班吗？
Their angry glare frightened the women.
他们因愤怒而瞪大了眼睛，使那妇人吓坏了。
Will you time me?
你给我计时好吗？