活塞上涂了一层石墨以减小摩擦力。The pistons are graphite-coated to reduce friction.咱们用车床车[加工]新的活塞吧.Let's get the lathe to turn the new piston.他们改用活塞发动机.They use a piston engine instead....
The governorship went to a Democrat, Mrs Anne Richards...民主党人安妮·理查兹夫人当选为州长。He had worked closely with the President during his governorship.他在任州长期间与总统紧密合作。She looked on the governorship as a stepping - stone to the presi...
Why do you persist in blaming yourself for what happened?你何必为已发生的事没完没了地自责？Most of them persist in setting strict demands on themselves.他们大多数人坚持严格要求自己.Persist in progress and oppose retrogression!坚持进步,反对倒退!...
It may, however, serve as a mechanism for cyanide detoxification.但是也可能这是一条氰化物解毒的途径.It plays an physiological function in antifungi, antitumorigenesis , anti - oxidation, improving immunity, reducing lipemia, detoxificati...
the impoverished areas of the city这个城市的贫民区They were impoverished by a prolonged spell of unemployment.他们因长期失业而一贫如洗.Money and food were sent to the impoverished drought victims.给贫困的灾民送去了救济金和粮食....
Objective : To investigate the clinical significance of the autologous serum skin test ( ASST ) in chronic idiopathic ur ticaria ( CIU ).目的: 探讨慢性特发性荨麻疹 ( CIU ) 患者自体血清皮肤试验临床应用的意义.Autologous fat transplantation has been us...