armfloat
发音
US
词形变化
armfloats
复数
armfloats
别名
arm-float
释义与例句
n.
-
1.
Synonym of armband (“one of a pair of inflatable plastic bands, normally worn on the upper arms, to help the wearer (often a child) float in water and learn to swim”).
体育
词源
From arm + float.
来源：wiktionary