齿轮互相啮合.The teeth of the wheel gear into each other.这个大齿轮带动小齿轮使滚筒旋转.This large gear turns the small one to rotate the cylinder.天气冷时齿轮润滑油可能凝结而形成凹槽.Gear lubricants may congeal and channel in cold weather....
This juxtaposition of brutal reality and lyrical beauty runs through Park's stories.这种残忍的现实和浪漫美好事物的并存始终贯穿于帕克的短篇小说中。He waxed lyrical about the skills and commitment of his employees...他津津乐道于员工的技能和敬业精神。Words for both ...
We must cut back on expenditure in order to remain solvent.我们应减少开支,以备急用.We are heading for a crisis, with cash-starved councils forced to cut back on vital community services.资金紧张的市政会不得不削减主要社区服务项目经费，我们眼看就要陷入危机。The decisi...