During alcoholic fermentation acetaldehyde acts as a hydrogen acceptor instead of oxygen.在这个过程中乙醛取代了氧作为氢的受体.Decanoyl acetaldehyde was extracted from houttuynia cordata thunb by the method of solvent extraction process.利用...
这些文章使读者对中国人的思维有了深层次的认识。These texts give the reader an insight into the Chinese mind.中国人特别重视个人荣誉.The Chinese make a point of their personal honor.中国人应当对人类有较大的贡献.The Chinese people should make a greater contribution to man...
As he talked, an airforce jet screamed over the town.他谈话时，一架军用喷气式飞机在镇子上空呼啸而过。Workers at the plant build the F-16 jet fighter.这个工厂的工人建造F-16喷气式战斗机。The company laid off 65,000 workers after commercial-jet orders dried up.商务...