The duck quacks.鸭子嘎嘎叫。I went everywhere for treatment, tried all sorts of quacks.我四处求医，看过了各种各样的江湖郎中。Hard - working medical men may come to be almost as mischievous as quacks.辛勤工作的医生可能变成江湖郎中那样的骗子.When you go to the fair, ...
额外开发土地意味着工作量相应增加。The extra field cultivated meant a proportionate increase in work.她在给秘书们减轻一些工作量。She's taking some of the load off the secretaries.工作量过于繁重。The load was too burden-some....
这是一台机械推动的车辆.This is a mechanically propelled vehicle.这机器是由电推动的.This machine goes by electricity.一种以火箭推动的装置将其在大气中飞行时热度增加的资料以远距离记录仪传送回来.A rocketpowered device telemeters heating data obtained on flights through the atmosph...