内酯是制备其他有机试剂的重要化学品.Lactones are major chemicals used in the preparation of other organic reagents.大环内酯类抗生素是治疗mp感染的有效抗生素.Macrolides are the effective antibiotics in the treatment of MP infection.结论95%乙醇可作为雷公藤内酯醇的洗脱剂.Conclu...
Locking up men does nothing more than keep them off the streets.把这些人关起来只是做到了不让他们上街而已。The brakes began locking.制动器开始锁定。I took the precaution of locking money in the safe.我把所有的钱都锁在保险箱里以防万一....
Understand and use the chemistry energetics and spectroscopy of poly atomic radicals.理解和应用多原子分子自由基的化学性质、能量学和光谱知识.Energetics: The study of the flow and transformation of energy.力能学: 研究能量的流动及转变的学科.At this time, researchers...
她将自己睡袍的吊带拉到肩膀上。She pulled the strap of her nightgown onto her shoulder.他差点被自己的降落伞吊带勒死。He was almost strangled by his parachute harness straps.要系腰带,就用不着吊带了.You don't need braces if you're wearing a belt!...