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....
"You are rude and obtrusive, Mr Galbraith," said Tommy.“您粗暴无礼而且冒失莽撞，加尔布雷思先生，”汤米说道。The sofa would be less obtrusive in a paler colour.沙发的颜色再浅一点就不那么扎眼了。The factory is an obtrusive eyesore.这工厂很刺眼....
Ptolemy charted more than 1000 stars in 48 constella-tions.托勒密绘制了48个星座1,000多颗恒星的星位图。Ptolemy's model of the universe with the Earth at the center.托勒枚的以地球为中心的宇宙模型.Is the most famous astronomer Ptolemy.最为著名的天文学家是托勒密....
...the problems confronting the incoming government.新一届政府面临的问题Confronting great hardships, the surveyors never knocked under.在巨大的艰难困苦面前, 那些勘探人员从未屈服过.We are not utopians and cannot divorce ourselves from the actual condit...