地面摇晃，周围房屋的墙体在他们身边倒塌。The earth shook and the walls of neighbouring houses fell around them.我甚至见过她在扎拉淘气的时候使劲摇晃她。I've even seen her shake Zara when she's been naughty.船不时会猛烈摇晃一下，而且越来越频繁。More and more frequently th...
旋转的陀螺正在失去动量.The spinning top was losing momentum.下落的物体落下时动量增加.A falling object gains momentum as it falls.雷达 、 光和其它形式的电磁波将其动量和能量通过空间输送出去.Radar, light, and other electromagnetic waves transfer momentum and energy through ...
淡水在上层向下流动,比重更大的盐水在下层逆流向上.The salt water, being more dense, flows upstream under the fresh water which is flowing downstream.海上风浪大作,我们都躲在下层甲板.The sea was rough and we were all below.大部分的问题发生在下层.Most problems have occurred...