lubrication是什么意思？

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....

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]...

n.裂体吸虫病，血吸虫病...

Hopkins sent me the earliest intimation.霍普金斯最先将情况通知我.A frown is often an intimation of disapproval.皱眉头常常表示不赞许.This intimation seemed to compose in some degree the vehement passion of the old hag.这番交代似乎使老妖婆的无名怒火稍微平息了一点....

“说明地”的英语可以翻译为：explanatorily ...

盲肠造口术...

“钱龙”的英语可以翻译为：millepede ...

endamaged的音标：...

所有事一齐涌上我的心头。Everything is crowding in on me.他们纪律严明地一齐射击.They fired in disciplined volleys.大家一齐用劲,把大石头搬开了.We all heaved together and removed the boulder....

我向来不给杂志写信，但是斯塔布斯先生最后做得太过火了。I normally never write into magazines but Mr Stubbs has finally crossed the line.他给杂志写侦探故事.He wrote detective stories for magazines.给杂志写稿的潦倒文人,成了悲剧性的年轻贵族.The harried magazinist appeared as the ...

chloridemia的音标：chloridemia的英式发音音标为：[klɔ:raɪ'di:mɪə]chloridemia的美式发音音标为：[klɔraɪ'dimɪr]...

astomous的音标：astomous的英式发音音标为：['æstəməs]astomous的美式发音音标为：['æstəməs]...

它提供了飞机前进所需的推力。It provides the thrust that makes the craft move forward.火箭推力的方向是由电脑控制的.The direction of the thrust of the rockets is controlled by computer.火箭作为弹道导弹的推力装置很重要.Rockets are important as thrust units for ballis...

“军事化”的拼音为：jūn shì huà...

“节间”的拼音为：jié jiān...

The so - called transgenic insects would be resistant to infection by falciparum.这种 所谓 的转基因昆虫可以抵抗恶性疟原虫的感染.One summer, pumping stations such as steamer general, maintenance, operation can not be resistant to hot.一到夏季, 泵房如...

ostracism的音标：ostracism的英式发音音标为：['ɒstrəsɪzəm]ostracism的美式发音音标为：['ɑstrəsɪzəm]...