mid-14c., from arm (n.1) + pit (n.1). Arm-hole (early 14c.) was used in this sense but was obsolete by 18c. Colloquial armpit of the nation for any locale regarded as ugly and disgusting was in use by 1965.
双语例句
1. The nurse shook the thermometer and put it under my armpit.
护士把体温计甩了甩，然后放到了我的腋下。
来自柯林斯例句
2. She was carrying her handbag under her armpit when I saw her.
我看到她时,她腋下夹着手提包.
来自《简明英汉词典》
3. Detroit was considered the armpit of America in the 1970 s.
在七十年代底特律是公认全美最龌龊的地方.
来自辞典例句
4. Please put this thermometer under your armpit and let me feel your pulse.
