最普通的精加工工序是用机械的方法, 如研磨, 磨削或用磨料抛光.The most common finishing operations are mechanical, such as milling, grinding, or polishing with abrasives.实验中采用磨料磨损的方式.Abrasion wearis taken as the main wear mode in the experiments.磨料水射...
He's discontented with his wage.他不满于自己的工资.How is it possible but that we should be discontented?我们怎么会感到满意 呢 ?People were discontented with the steep rise in prices.人们对物价飞涨不满....
变速箱随着加速传来一阵轰鸣。Acceleration is accompanied by a resonating growl from the gearbox.发动机轰鸣着，车子猛然冲出去。The engine roared, and the vehicle leapt forward.汽车在车辙纵横的街上一路轰鸣。The car growls along rutted streets....
克里斯: 而现实就是自杀者要下地狱?Chris: And the reality is suicides go to hell?自杀者中几乎四分之一是不满25岁的青少年.Almost a quarter of suicides are teenagers and young adults aged less than 25.精神科医师指出,自杀者多数患有忧郁症,其忧郁源头主要是家庭问题.Most of them are mentally...