long folds of loose skin and fat that hang down from the upper arms, especially of older people 宾果翼，蝴蝶臂， 蝴蝶袖 （尤指较年长的人上臂松弛下垂的部分）The exercises will tone your arm muscles and banish bingo wings. 这些练习将锻炼您的手臂肌肉并消除宾果翅膀。 Wave goodbye to bingo wings. 向宾果翅膀挥手道别。