I drove back down the highway at normal speed.我以正常车速沿公路返回。I'll take you back down to the valley.我会带你返回下面的山谷里。He freewheeled back down the course.他沿原赛道滑了下去。...
电晕放电和刷毛状放电只是从放电点处逐个地发生.The corona or brush discharge, would transfer from point to point.在存在电晕的区域, 形成了大量正离子和负离子.In the region where the corona exists, large numbers of positive and negative ions are formed.利用直流高压电晕产生的非平衡...
I hate to trouble you, but Aunt Lina's birthday is coming up and I would like to buy something nice for her.我真不愿打扰您,但莉娜阿姨的生日就要到了,我想给她买点好东西。Sis Lina is at a desk answering the questions about lodging.李纳姐妹在服务台上回答住宿的问题...