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.
失速，用相对通俗的语言可以解释为：飞机失去了升力，然后在重力的作用下做面向地面的垂直运动。在训练中，飞机垂直下落的短短的时间很让我回味哦。
Explain the stall in simple words is airplane lose lift and drop by gravity. In the training, the short time that the airplane drops is so exciting.
几乎是在刺破的同时，气球收缩，从而使气球内的水失去气球原有的支撑作用但同时仍然受到重力作用。
The balloon's skin retracted almost instantaneously, leaving its contents unsupported and subject to the force of gravity.
结果造成内侧区域的物质，因失去旋转支撑来抵抗重力而向内掉落。
As consequence, material in the inner regions loses rotational support against gravity and falls inward.
结果造成内侧区域的物质，因失去旋转支撑来抵抗重力而向内掉落。
As consequence, material in the inner regions loses rotational support against gravity and falls inward.
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