Meanwhile, acetone was a polymerization inhibitor in preventing the self - polymerization ofp - methoxybenzyl chloride, and 11.同时探索了甲氧基苄氯自聚的阻聚剂, 初选的阻聚剂丙酮可使甲氧 基苄 氯粗品的收率提高11....
这有助于营造一种博爱的感觉。It helps engender a sense of common humanity.热带丛林, 老是给人豪情, 由于她是神秘而博爱的.Tropical jungle, always give the passion, because she is mysterious and brotherhood.他博爱的善行普照到所有的种族和宗教.His cosmopolitan benevolence impar...
She sewed the dresses on the sewing machine.她用缝纫机缝制了这些裙子。I have to pay 150 dollars for the sewing machine.我得花150美元买这台缝纫机.It's about time this old sewing machine was put out to pasture.这部旧缝纫机大概到了被淘汰的时候了....