gravity [ˈgrævəti]以下由轻松背单词网站提供
单词级别第4级基本释义n.重力,引力,地心引力英英释义the force which attracts objects towards one another, especially the force that makes things fall to the ground参考例句An apple falls down because of gravity. 由于重力的关系,苹果往下掉。The stone rolled down the mountain by gravity. 这块石头由于重力作用而滚下山。 推荐阅读 |