You sit on a scale inside a tank of water and blow out as much air as you can.

你坐在里面的规模上的水箱和吹熄你可以尽可能多的空气。

youdao

You sit on a scale inside a tank of water and blow out as much air as you can.

你坐在里面的规模上的水箱和吹熄你可以尽可能多的空气。

youdao