Gravity is very important.
重力非常重要。What is gravity?
什么是重力？It's the force that pulls everything down.
它是使万物下降的力。
I don't understand.
我不理解。If you pour water into a glass, the water goes down into the glass.
如果你向杯子里倒水，水会流向杯子的下方。
Of course it does.
它当然会那样。Without gravity, the water would go up.
没有重力，水就会上升。You're joking.
你在开玩笑。Without gravity, you would go up.
没有重力，你会上升。What do you mean?
你的意思是？You would float into the sky like a balloon.
你会像气球一样漂浮在空中。That would be fun!
那将会很有趣！译文属仅供学习和交流使用，未经允许不得转载