The field may be provided by permanent magnets or by electromagnets.外地可能提供的永磁材料,或由电磁铁.The rails of their Maglev train were made of about 100 magnets.他们所做的磁悬浮列车轨道采用了约100块磁铁.Magnets are used for the controller's attac...
就在那一刻，无线电遥控器摔得粉碎。At that point the radio handset fell to pieces.他伸手拿过遥控器，按下“播放”键。He reached for the remote control and pressed the "play" button.孩子们正在为抢夺电视机的遥控器而争吵。The children were squabbling over the remote-control gad...
The Netherlands has been reclaiming farmland from water.荷兰人一直在围海造地。People here are reclaiming land from the sea.这儿的人们正在填海拓地.Draining and reinforcing material for reclaiming seabeach and swamp.海滩和沼泽地开垦的排水材料和加固材料....