1. Detroit was considered the armpit of America in the 1970s.
    在七十年代底特律是公认全美最龌龊的地方。

1. 腋下：3、行走练习:可拉着小儿的双手训练其迈步,或让小儿扶着栏杆或床边迈步走,还可用较长的围巾从婴儿前胸、腋下(armpit)围过,父母在孩子后方,拉紧围巾,让孩子练习独立走步.

2. 腋窝：喉结/喉核Adam's apple | 腋窝armpit | 腰waist

3. 腋,腋窝：arm extension apparatus 上肢牵引器 | armpit 腋,腋窝 | arm prosthesis假臂

4. 腋窝,[粤]夹底：neck width,neck across 领宽,[粤]领横 | armpit 腋窝,[粤]夹底 | sleeve length 袖长

1. 腋窝
    Your armpits are the areas of your body under your arms where your arms join your shoulders.

1. the hollow under the arm where it is joined to the shoulder

    e.g. they were up to their armpits in water

    Synonym: axillaaxillary cavityaxillary fossa