Gravity accelerates spacecraft as they fall towards the sun.
当航天器向太阳靠近时,重力使其加速。
This may include a very fast fall towards 1800 followed by a very rapid rise.
这可能会包括向1800点的快速下跌,然后跟着一个快速的上涨。
we look up at the heavens and we see bodies that do not fall towards the earth.
我们抬头仰望天堂,天堂里的物体并没有落到地球上来。
That's how by either balancing the unknown force with a known force or by simply measuring the acceleration as I fall towards this podium and multiplying by mass, you can find the force that exerts on me.
我们既可以让未知力与已知力平衡,也可以只测量我冲向讲台时加速度的大小,再与我的质量相乘,都能求出作用在我身上的力的大小
Their yell at the top of the world seems to Sal something that calls for a replacement; it calls for some other prophet to come walking ragged towards them and make them fall silent with his word.
他们在世界之巅的叫喊对Sal来说,似乎是在要求一个代替者;,需要另一个先知衣衫褴褛地朝他们走来,用他的话让他们安静。
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