You cannot walk up against gravity.
你无法逆着重力运动。
Dark energy basically works against gravity in a tug-of-war.
大体上，暗能量在与引力展开一场拉锯战。
It felt great to be winning against gravity, to be rising into the blue sky.
战胜重力的感觉正好，飞往蓝天的感觉真好。
Like any natural force, gravity pull can work with us or against us.
习惯的引力如同自然界所有的力量一样，可以为我们所用，也可能危害我们。
Like any natural force, gravity pull can work with us or against us.
与其他自然力一样，地心引力对我们而言，是助力，亦可是对抗力。
Stability control against sliding is a basic control in design of gravity dam.
抗滑稳定控制是重力坝设计的基本控制。
Stability control against sliding is a basic control in design of gravity dam.
抗滑稳定控制是重力坝设计的基本控制。
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