trail away meaning in Chinese

声音减小到听不见

The sound repeated what the eye had seen . pierre looked round at the first puff of smoke , which he had seen a second before a round , compact ball , and already in its place were wreaths of smoke trailing away to one side , and
皮埃尔转脸再看那原先像一个鼓鼓的圆球似的烟，它在原地已经变成好几个球向一旁飘动，噗停了一会儿，噗噗又升起三个，四个，这样的声音，间隔同样的时间，应和着悦耳的，坚定的准确的响声砰砰砰砰！
Each pailful was poured into tall cans that stood in a large spring - waggon which had been brought upon the scene ; and when they were milked the cows trailed away . dairyman crick , who was there with the rest , his wrapper gleaming miraculously white against a leaden evening sky , suddenly looked at his heavy watch
奶牛场的克里克老板和其他的人呆在一起，在铅灰色的暮色的映衬下，他身上的围裙闪着白色的光，突然，他掏出他那块沉甸甸的怀表看了看。