Gravity is very important.
重力非常重要+iRAc2f]zZ7AnI,]g。
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Mkt!rc]gdfO,_Hh。
I don't understand.
我不理解;tLdl1_sBg[z98]U。
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kBUxt[LIEJB2!。

Of course it does.
它当然会那样.bNcwO6Y6m。
Without gravity, the water would go up.
没有重力，水就会上升EuXw56QGZ5[PPyaf。
You're joking.
你在开玩笑b;]b9EnF9sjeO)T.M64。
Without gravity, you would go up.
没有重力，你会上升WKx!A3x)dMZoKRzSc。
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dl7xzUn9U[dYI[o=R。
That would be fun!
那将会很有趣！

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