劳里·索普(Laurie Thorp)著《大地的诱惑》(The Pull of the Earth: Participatory Ethnography in the School Garden)一书,就描述了几个教育者用种植南瓜这种都市园艺活动,改变了一个落后班级的...
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The pull of the earth is called gravity.
地球拉你的力成为重力。
To escape the pull of the earth, a rocket must reach a speed of 28, 440 km/h.
为了摆脱地球的引力,火箭必须达到每小时28,440公里的速度。
Then Houston, the control centre on the earth, called up and told me to use the tape to tape the bottom of the handrail and pull it off the telescope.
然后休斯顿,地球上的控制中心,打电话给我,让我用胶带把扶手的底部粘上,然后把它从望远镜上拉下来。
After about an hour of being beyond the pull of Earth's gravity, Glenn reported he felt fine.
VOA: special.2009.06.17
But gravity has a remarkable property that the pull of the Earth is itself proportional to the inertia of the object.
重力有一个显著特征,即地球的引力,与物体的质量成比例
You cannot tell the mass, because what you are doing now is appealing to the notion of mass as something that's related to the pull of the Earth on the object.
你无法测出质量,因为你现在所做的是把质量,用地球对物体的引力给替代了
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