爱淘唯一
(Gravity)
地心引力定律
The law of gravity.
落下的东西因为地心引力的缘故,都会掉到地上。
Anything that is dropped falls towards the ground because of the force of gravity.
相关词条:
1.earthgravity 2.terrestrialattraction 3.attractionofgravitation 4.attractiontothecenteroftheearth 5.forceofgravity
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