Postanal pit
[医] 尾小凹
🧩 词语组成解析
[医] 肛门后的
pit
[pit]
n. 井;煤矿;麻子;（赛车道旁的）修理加油站;
vt. 使有麻子;使有凹陷;
vi. 凹陷;起凹点;
🗣️ 情景例句
Hi.
你好。
He is attending a morning intensive course four hours a day, six days a week.
他每周六早晨都上一门4小时的速成课。
People become quite illogical when they try to decide what can be eaten and what cannot be eaten.
在决定什么能吃而什么不能吃的时候，人们往往变得不合情理。