A body falling from rest has a speed of 9.8m/s at the end of the first second . 一个由静止状态下落的物体在第一秒末的速度是9.8米/秒。
At full throttle, he drives the skiff upward, straight at the plummeting breaker . 他开足了油门,把船向前急驶,向着那垂直下落的浪头驶去。
As we know now , heavy objects and light objects fall at the same speed unless air holds them back . 我们现在都知道,如果没有空气的阻力,重的物体和轻的物体下落的速度是一样的。
If no wind is blowing, raindrops fall vertically and a man at rest with an umbrella directly over his head does not get wet . 如果不刮风,雨点是垂直下落的,一个静止不动的人,头上有一把雨伞,就不会淋湿。
The fallen apple illustrates the principle of gravity 下落的苹果证明了地心引力原理。
A falling object gains momentum as it falls 下落的物体落下时动量增加。
' police are keeping an open mind as to her whereabouts 警方欢迎市民继续提供关于她下落的消息
The police found a clue to her whereabouts 警方找到她下落的线索。
She has told them nothing that could shed light on her husband ' s whereabouts 她没向他们提供任何有关她丈夫下落的线索。