The moon's gravity pulls the waters of the earth into a bulge.月球引力吸引地球上的水,形成涨潮....the pull of gravity.重力的牵引...the law of gravity.万有引力定律Armadillos aren't the only creatures who rely on gravity to get the ball ro...
Anything with strong gravity attracts other things to it.任何有较强重力的物体都会对其他物体产生引力。Not all acts of vengeance are of equal gravity.并非所有的报复行为都同等恶劣。Increasing gravity is known to speed up the multiplication of cells.我们知道不断增加的引力...