Pace clock
01
节奏钟, 游泳计时器
a sports equipment used primarily in swimming to display elapsed time for training or competition purposes
例子
The pace clock guided swimmers in their interval training.
节奏钟指导游泳者进行间歇训练。
Swimmers checked the pace clock after each lap.
游泳运动员在每圈后检查节奏钟。



























