a hollow under the arm at the shoulder 腋,腋窝,胳肢窝。 亦称 axilla ■(informal, chiefly N. Amer.)a place regarded as extremely unpleasant (非正式, 主 北美)令人厌恶的地方;乱七八糟的地方 they call the region the armpit of America. 他们把那个地区称为美国的龌龊旮旯。
常用词组 up to one's armpits
(chiefly US)deeply involved in a particular unpleasant situation or enterprise (主 北美)深陷麻烦(或事业困境)的 the country is up to its armpits in drug trafficking. 这个国家陷入了贩毒的泥潭。