sidestroke

I prefer the breaststroke , though I can also do the sidestroke.

我会侧泳, 但是我喜欢蛙泳.

——期刊摘选

Then you can help her with breaststroke and sidestroke.

那在蛙泳和侧泳方面,你可以帮助她.

期刊摘选