underarm
adjective [ before noun ] uk/ˈʌn.də.rɑːm/ us/ˈʌn.dɚ.ɑːrm/
腋窝（用）的，腋下（用）的
of or for use in the armpit (= hollow place under the arm where the arm joins the body)
underarm deodorants/hair 腋下除臭剂／腋毛
underarm
adjective, adverb UK uk/ˈʌn.də.rɑːm/ us/ˈʌn.dɚ.ɑːrm/ (US underhand)
下手的（地），低手的（地）
(done by) moving the arm below shoulder level
underarm bowling 低手投球
He bowled underarm for the younger children. 他给年纪小些的孩子投低手球。
Opposite: overarm