生理学家发现，失去重力后身体会失去力量，这使得宇航员骨质疏松、肌肉松弛，心血管功能也相应退化。
One thing that physiologists have learned is that without gravity our bodies begin to lose strength, leaving astronauts with weakened bones, muscles and cardiovascular systems.
塑料鞋子，鞋垫是崎岖不平的发泡胶垫，让我失去重力。
Plastic shoes, with uneven Styrofoam pads for soles, throw off my center of gravity.
经后代繁衍，人类失去了身高和体型来适应其后更大的重力。
Over subsequent generations, humans lost their height and stature to adjust to the greater pull of gravity thereafter.
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