The most obvious production of thrust comes from pushing back on the water like a paddle wheel.

最明显的推力来自于手臂的向后推水，就像圆盘明轮那样。

youdao

The most obvious production of thrust comes from pushing back on the water like a paddle wheel.

最明显的推力来自于手臂的向后推水，就像圆盘明轮那样。

youdao