Put on your favorite pair of fins and push off on your back with arms in streamline.

戴上你最喜欢的脚蹼，双臂和身体呈流线型，蹬壁出发。

youdao

Put on your favorite pair of fins and push off on your back with arms in streamline.

戴上你最喜欢的脚蹼，双臂和身体呈流线型，蹬壁出发。

youdao