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....
这位医生在产房刺目的灯光下忙碌着。The doctor worked busily beneath the blinding lights of the delivery room.这事得往后放。这是我们最忙碌的时候。It'll have to wait. This is our busiest time .这有助于他们忙碌一天后放松自己。It helps them to unwind after a busy day at ...
可惜的是，竹子开花后便会枯死。Sadly, bamboo plants die after flowering.那竹子突然弹回打在我的脸上.The bamboo whipped back and hit me in the face.竹子是一种中空的植物.Bamboo is a sort of hollow plant....
我认为他好像对女性有点儿成见。He seemed a bit biased against women in my opinion.各级司法机构普遍存在对女性的偏见。Bias against women permeates every level of the judicial system.我在那部电影里对女性形象的刻画受到了批评。I get criticized for the portrayal of women in that ...