She read everything, digesting every fragment of news.她什么都看，对新闻的每个片段都细细品味。But that fragment of talk lodged , thick, in his small gizzard.可是谈话的片断却深深盘据在他的小头脑里面.A free radical is a molecular fragment having an unpaired elec...
她把重点放在介词的使用上.She lays a lot of emphasis on the usage of prepositions.介词和连词是小品词.Prepositions and conjunctions are particles.3加6等于9.(注意,此句中的plus是 介词,plussix是介词短语,作three的 定语,因此,动词用makes, 不用make ) .Three plus six makes nine....
He learned this lesson the hard way from his own personal experience.吃一堑长一智，他这个教训来之不易——是从他自己的亲身经历中得来的。The lesson from all of this is perhaps a broader one.从所有这一切中得出的教训可能具有更广泛的意义。It was the quickest swimming lesson I'...
Objective: Establish the normal physiology index , haematology index and biochemistry index.目的: 建立清洁级SD大鼠的正常生理、生化指标.The medicine chemically affects your physiology.这种药会通过化学作用影响生理机能。...the physiology of respiration.呼吸生理.....