生命起源的确切详情仍是个谜。The precise details of the origins of life remain hidden.地球上生命的起源the origins of life on earth她开始讲本市的起源.She embarked on a discourse about the town's origins....
Glycol is oxidized rapidly by it to oxalic and glycolic acids.乙二醇迅速地被它氧化,生成草酸和羟基醋酸.The result showed that polyethylene glycol diglycidyl ether cross linked sericin obviously.结果表明,聚乙二醇缩水甘油醚对丝胶蛋白具有明显的交联作用.Miraculin is an a...
然后那个伐木工脱手甩出了斧头。哐！每个人都听见了。Then the woodcutter let his axe fly— Thwack! Everyone heard it.他十几斧头就把树砍倒了.He fell the tree with a dozen blows of his axe.斧头太钝,砍不倒树.The axe is too blunt to cut down the tree....
His honesty is beyond all question.他的诚实是毋庸置疑的.Beyond all question, this is the most voluptuous scene we have yet looked upon.毫无疑问, 我们从未见过这么娇媚的景致.Her conduct lies beyond all question and reproach.她的行为不容怀疑,无可指责....
The region began to use quinine successfully as a prophylactic.该地区开始成功地用奎宁作为预防剂。I dosed myself with quinine.我服用了奎宁。Quinine has a bitter taste.奎宁有苦味....