是地心吸引力使苹果下落.It is gravitation that causes the apple to fall.物体脱手即向地心方向跌落是由于重力吸引的缘故.Anything that is dropped falls towards the centre of the earth because of the pull of gravity.“ 你们连气候或者地心吸力都还没法控制.'You don't ev...
Most of the refugees are camped high in the mountains.多数难民在高山上露宿。They are camped out in tents on the front lawn.他们在门前的草坪上支起帐篷宿营了。After the hike to the river the soldiers camped for the night.士兵们步行到达那条河后露营过夜....
这条河蜿蜒曲折地流过平原.The river wound its sinuous way across the plain.那条路曲折地伸到山上.The road zigzagged up the hill.闪电曲折地在天空划过.Lightning zigzagged across the sky....
He exhorted his companions, "Try to accomplish your aim with diligence".他劝诫同伴说：“要通过勤奋努力实现自己的目标。”She shows great diligence in her schoolwork.她上学非常用功。Diligence and thrift made him a possessor of warm fortunes.勤俭使他成为富翁....