armpit
Longman Dictionary of Contemporary English 5++LDOCE 5++arm·pit /ˈɑːmˌpɪt $ ˈɑːrm-/ noun [countable] 1. HBHthe hollow place under your arm where it joins your body 腋（窝）2 the armpit of something American English informal the ugliest or worst place in a particular city or area 最差的地方，最肮脏[最差]的角落 Dale says Butte is the armpit of Montana. 戴尔说比尤特是蒙大拿州最差的地方。
Examples from the Corpus
armpit• But in a moment or two he released Glover and shoved his two hands inside his armpits.• The General tucked the baton under his armpit and clapped his hands softly as the small orchestra walked through his study.• They also disagree about whether the glands in the armpit should be removed, treated with radiotherapy, or left alone.• He suddenly seized her under the armpits and swung her round and round, until she was breathless.arm·pit nounChineseSyllable
hollow your the Corpus place where arm it under
armpit
arm‧pit /ˈɑːmˌpɪt $ ˈɑːrm-/
noun [countable]
1. the hollow place under your arm where it joins your body
2. the armpit of something American English informal the ugliest or worst place in a particular city or area:
Dale says Butte is the armpit of Montana.
arm‧pit /ˈɑːmˌpɪt $ ˈɑːrm-/
noun [countable]1. the hollow place under your arm where it joins your body
2. the armpit of something American English informal the ugliest or worst place in a particular city or area:
also
especially