Erose
a. 齿蚀状的, 齿形的\\n[医] 啮蚀状的, 蛀蚀状的, 缺刻状的
🗣️ 情景例句
Don't speak too soon.
话不要说得太早。
She sent me a Christmas card last year.
去年寄过一张圣诞卡。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。