Pull buoy
01
拉浮标, pull buoy
a flotation device used in swimming to increase buoyancy and isolate the upper body
语法信息
有生性状态
无生命
形态构成
复合词
可数
复数形式
pull buoys
例子
Swimmers often use a pull buoy to focus on improving their arm stroke technique.
游泳运动员经常使用拉力浮标来专注于提高他们的手臂划水技术。



























