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...
For a while Kathryn busied herself in the kitchen.凯瑟琳在厨房忙活了一会儿。She busied herself getting towels ready.她忙着把毛巾准备好。He busied himself with the camera.他忙着摆弄那个相机。...
他那雪亮的眼白在褐色的脸上炯炯发光.The white of his eyes shone in his sun - brown face.他的眼白因缺乏睡眠而充满血丝.The whites of his eyes were bloodshot from lack of sleep.等你能够看到他们的眼白时再开火.Hold your fire until you can see the whites of their eyes....
一节沟槽a length of guttering一些砂洲和沟槽在低潮位时,露出于水面.Some of the bars and troughs are exposed by low tide.极耳产生一种 “ 压力 ” 作用与沟槽侧边相接触.The lug produces a " pinched " effect contact with the groove side....