名詞 armpit:

1. the hollow under the arm where it is joined to the shoulder
   同義詞：axilla, axillary cavity, axillary fossa

1. The coat needs to be eased under the armpits.
   這件上衣的　肯需放一放。
2. A body part analogous to the armpit, such as the hollow under a bird's wing.
   腋部類似于腋窩的身體部位，比如鳥翅下面的空隙

arm.pit

n.（名詞）
The hollow under the upper part of the arm at the shoulder.
腋：上肢和肩膀連接處下面呈窩狀的部位
Slang A thoroughly disreputable or disgusting thing, place, or situation:
【俚語】 齷齪的事物：極其骯臟或令人厭惡的事物，地方或處境：
例句：
.I think of PCP as the armpit of drugs. It is dirty, explosive, poisonous.(Ray Brett)
.我認(rèn)為天使塵是藥物中最令人厭惡的東西。它臟，易爆，有毒.(雷·布雷特)