By 9, the juniors are in the hall for assembly.到9点时，三年级学生都在大厅里等待参加晨会。Most of the senior boys are going steady with juniors and sophomores.四年级的男生大都总是要同三年级和二年级的学生一起去的.The seniors defeated the juniors by 3 - 1.四年级学生以三比一战胜了三...
通用柴油动力火车头将车厢转轨到了4号月台。The GM diesel engine shunted the coaches to Platform 4.19世纪船舶设计和船舶动力领域发生了重大的变革。The nineteenth century witnessed a revolution in ship design and propulsion.风能作为动力的成功是对可再生能源一次立见分晓的检验。The success of win...
电枢是旋转磁场交流发电机的不动部分 ( 定子 ).It is the stationary part ( stator ) in a revolving - field generator.缠绕着线圈的铁心叫做电枢.The iron with the wound coils on it is called an armature.在电枢绕组的各条边所感应的电压是交变的.The voltage induced in the terms o...
The fingers were pinched under a hawser.手指被夹在了大缆绳下面.There's a new hawser faked down there.有条新铁索盘卷在那里.The hawser can either be thick , heavy ropes or a thin steel cable use on ships.缆绳既可以指粗重的绳子,也可以指船上使用的细钢索....