The pistons are graphite-coated to reduce friction.活塞上涂了一层石墨以减小摩擦力。the coefficient of friction摩擦系数When Joan returned to work, the friction between them increased.琼回来工作后, 他们之间的摩擦加剧了....
It did not furnish an explantation for the heat generated by friction.它未能圆满地解释因摩擦而产生的热.kinetic friction动磨擦In order to assess the friction of lubricants on multifilament yarns , finish - free yarns are required.为了评定润滑剂对复丝...
约翰逊刮胡子时刮伤了自己。Johnson cut himself shaving.在那桌子的表面上有几条刮伤痕迹.There are several scraping scar marks on the surface of that table.他修剪玫瑰时双手刮伤得很厉害.He scratched his hands badly while pruning the rosebushes....
The project is taking a long time but is now nearing completion.这个项目耗时很长，但现在就快结束了。The project is nearing completion.这个项目即将结束。The aircraft was nearing obsolescence by early 1942.这种飞机在1942年年初就濒临淘汰了。...