lubrication是什么意思？

lubrication的音标：lubrication的英式发音音标为：[ˌlu:brɪ'keɪʃn]lubrication的美式发音音标为：[ˌlubrɪ'keʃən]...

In land animals, saliva contains mucus, and provides lubrication for food in the alimentary canal.陆上动物的唾液内有粘液, 并对消化道内的食物起着润滑作用.In metal lubrication two distinct regions are recognized: boundary and hydrodynamic.在金属的润滑作用中...

Lubrication reduces noise and wear.润滑作用能减少噪音和磨损.We shall require more lubrication oil this month.这个月我们需要更多润滑油.Sludge can also clog oil passages and prevent normal engine lubrication.油泥还会阻塞油路,妨碍发动机的正常润滑工作....

Our doctor paints beautiful pictures; I think he's really an artist manque.我们的一生画得一手好画; 我认为他确实是为失意的艺术家....

Briareus swiftly untied the thongs, using every hand at once, and released his master.这位巨人把一百只手都同时用上了, 迅速解开绳结给主神以自由....

offed的音标：...

amalgamate的现在进行时为：amalgamating...

extirpate的现在进行时为：extirpating...

hypanthodium的音标：hypanthodium的英式发音音标为：[haɪpæn'θɒdɪəm]hypanthodium的美式发音音标为：[haɪpæn'θɒdɪrm]...

“树皮”的英语可以翻译为：ind，bark，pill，feathering，cortex ...

dibenzphenanthrene的音标：dibenzphenanthrene的英式发音音标为：[daɪbenzfɪ'nænθri:n]dibenzphenanthrene的美式发音音标为：[daɪbenzfɪ'nænθrin]...

v.任性( wanton的现在分词 )，反复无常，生活奢侈，挥霍（钱财）...

He showed unfeigned satisfaction at his friend's success.他对朋友的成功表现出真正的满足。Her interest in people was unfeigned.她对人的关心是真诚的.Their hosts received them with unfeigned pleasure.主人带着由衷的喜悦接待了他们....

n.淀粉水解...

n.内分生孢子...

legitimate的音标：legitimate的英式发音音标为：[lɪ'dʒɪtɪmət]legitimate的美式发音音标为：[lə'dʒɪtəmɪt]...

芒霉素...

Why was I always suffering, always browbeaten, always accused , for ever condemned?我为什么老受折磨, 老受欺侮, 老挨骂,一辈子也翻不了身 呢 ?She was wrongly accused of stealing.她误遭控告犯偷盗罪。Accuser a young woman, the accused a middleaged man, they a...