The rap oil - based lubricative additive is biodegradable and environment receivable lubricant.菜籽油基添加剂是一种可生物降解的环保的润滑剂.For dilating the bearing life, bearing should keep lubricative well.为延长轴承寿命, 轴承应保持良好的润滑状态....
He has a visual impairment in the right eye.他右眼视力有损伤。The worms cannot be seen by the naked eye.这些虫子用肉眼看不见。Bankers are keeping a wary eye on the outcome.银行家们对结果保持高度警惕。...
Their behaviour was an insult to the people they represent...他们的行为是对他们代表的人民的一种侮辱。The developments in this town represent in microcosm what is happening in the country as a whole.这座城镇的发展是整个国家发展的缩影。The young mother, the la...
His mind was a haze of fear and confusion.由于害怕和困惑，他当时处于一种混沌状态。Mack made his voice quiver with fear on these last two words.麦克说出最后这两个字时，吓得声音颤抖。I would overcome any weakness, any despair, any fear.我要克服所有的软弱、绝望和恐惧。...
结果表明, 嗉囊、腺胃和肌胃内食糜pH随 日龄逐渐增加,而小肠内食糜pH随 日龄变化不大.Chyme pH in crop, proventriculus and gizzard increase gradually with age.胃的蠕动将食物与处于胃壁上的胃腺分泌的消化及盐酸混合,由此形成的食糜被推送入小肠.Peristalsis mixes food with enzymes and hydrochloric acid fro...