当我像这样做负功时，重力做正功。

When I do negative work, like I do now, gravity does positive work.

youdao

当我做正功的时候，重力做的是负功。

When I do positive work, gravity does negative work.

youdao

重力做负功，如果我做负功。

If I do positive work, gravity is doing negative work.

youdao

如果我做正功，重力做负功。

If I do positive work, the gravity is doing negative work.

youdao

因此不管何时重力,做正功，我就做负功。

So whenever gravity is doing positive work, I would be doing negative work.

youdao

放下来，我坐了负功。

If I bring it down, I've done negative work.

youdao

总功是负的，所以是椭圆轨道。

It is negative; it is an ellipse.

youdao

总功是负的，所以是椭圆轨道。

It is negative; it is an ellipse.

youdao