它的喷嘴抹了某种润滑油。Its nozzle was smeared with some kind of lubricant.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.这个月我们需要更多润滑油.We shall require more lubrication oil this month....
Rennie had eaten his tea in the canteen.伦尼已经在餐厅吃过茶点了。After work they made a hearty meal in the worker's canteen.工作完了,他们在工人食堂饱餐了一顿.This is a much frequented canteen.这是一家就餐人数很多的食堂....