Deciduation
[医] 蜕膜脱落
🗣️ 情景例句
they cut patches
剪下布块，
Business is business.
公事公办。
it has to develop (partly by means of touch) the ability to judge roughly three-dimensonal distances.
儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。