| 单词 | 重力作用 |
| 释义 | 〔precession〕A slow gyration of Earth's axis around the pole of the ecliptic, caused mainly by the gravitational pull of the sun, moon, and other planets on Earth's equatorial bulge.岁差：地球中轴绕黄道极的缓慢旋转，主要由于太阳、月亮和其它星体对地球赤道降起带的重力作用而造成〔coast〕To slide down an incline through the effect of gravity.溜下：因重力作用沿斜面滑下〔colluvium〕A loose deposit of rock debris accumulated through the action of gravity at the base of a cliff or slope.塌积物：在峭壁或斜坡底部由于重力作用堆积形成的岩石碎片松散的堆积物〔fall〕To drop or come down freely under the influence of gravity.落下：因重力作用而自由下降或下落〔weightless〕Not experiencing the effects of gravity; being in a state of free fall.失重的：没有经受重力作用的；在自由下落的状态中的 |
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