Then try a few single-arm strokes with each arm, building into full stroke swimming.

然后试着做些单臂与另一个手臂的交替练习，建设成为全程游泳的练习。

youdao

There are 8 different stroke setting, half cut, full cut.

有8组不同的笔画，可进行半刀、全刀切割。

youdao

There are 8 different stroke setting; half cut, full cut.

有8组不同的笔画，可进行半刀、全刀切割。

youdao

There are 8 different stroke setting; half cut, full cut.

有8组不同的笔画，可进行半刀、全刀切割。

youdao