A model asphalt had been separated into four components: asphaltenes , saturates, aromatics and resins.用四组分法将沥青分为饱和分 、 芳香分、胶质、沥青质.The paper introduces the research on RHJ asphalt emulsifiers cations.介绍了RHJ型阳离子沥青乳化剂的研究过程....
她听讲座时一直在打呵欠.She yawned during the lecture.听得见我打呵欠的声音 么 ?Can you hear my yawn?我上他的课时, 总是竭力地制止自己打呵欠.When I attended his lecture, I always tried hard to strangle yawns....
Staff officers galloped fine horses down the road.参谋官们骑着骏马一路疾驰而去。The horse took fright and galloped off as the car passed.汽车经过时，那匹马受惊跑开了。Prices galloped.物价飞涨。Jo galloped across the field towards him.乔骑马穿过田野向他奔去。He gallop...
天仙子(Hyoscyamusniger)胚珠为薄珠心胚珠.The ovule of Hyoscyamus niger is renuinullceate.阿托品: 有毒的结晶性生物碱,从茄类植物, 特别是埃及天仙子提炼而得.Atropine : Anticholinergic drug. A poisonous, crystalline alkaloid derived from certain nightshade plants, e...