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
Alexandra might call. Alexandra
可能会来电话。
The fallout will probably infect millions.
辐射尘可能对数百万人造成影响。
On his arrival he was sold to a farmer and worked in the fields.
一到美国，他就被卖给了一个农场主，到地里干活。