停: Ⅰ动词1.(停止) stop; halt; cease; pause 短语和例子停炸 halt the bombing; 停下细想 pause and ponder; 停止吵架 cease from quarrelling; stop quarrelling; 他不停地写着。 he kept on writing. 我的表停了。 my watch has stopped.2
重力: [力学] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational force 短语和例子这块石头由于重力作用而滚下山。 the stone rolled down the mountain by gravity.; 重力测定 gravimetric(