The shrug makes it difficult to drop the elbows, a major stroke problem.

耸肩使的肘部不至于下落，解决了划水的一个大问题。

youdao

The shrug makes it difficult to drop the elbows, a major stroke problem.

耸肩使的肘部不至于下落，解决了划水的一个大问题。

youdao