/ˈʌndərɑ:m ||; ˈʌndɚˌɑrm/adj1 (only before a noun 只用于名词前) connected with a person's ARMPIT (= the part of the body under the arm where it joins the rest of the body) 与人的腋窝有关的: underarm hair/deodorant/sweating 腋窝毛╱除臭剂╱排汗
2 an underarm throw of a ball is done with the hand kept below the level of the shoulder (投球)低手的