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...
The preliminary computation is the same as that for ordinary levelling.概算与普遍水准测量相同....a levelling system which acts on the same principle as a spirit level...工作原理与气泡水准仪相同的水准测量系统Inflation is finally levelling out at aroun...
We were allotted half an hour to address the committee.给了我们半个小时向委员会作陈述。Each passenger slept on the berth allotted to him.每个旅客都睡在分配给他的铺位上.He was allotted a three - room flat.他分得了一户三室的套房....