N acetylcysteine ( NAC ), a precursor of glutathione, is a thiol antioxidant.N-乙酰半胱氨酸 ( NAC ) 为谷胱甘肽的前体, 是一种含有巯基的抗氧化剂.Error is often the precursor of what is correct,but conceit is the prelude to a fall.错误往往是正确的先导,骄傲是跌跤的前...
Error is often the precursor of what is correct.错误常常是正确的先导.Real tennis, an ancient precursor of the modern game, originated in the eleventh century.室内网球，现代网球运动的古老前身，起源于11世纪。Error is often the precursor of what is correct...
Blighted stems often canker.有病的茎往往溃烂.His dog has a canker in its ear.他的狗的耳朵上有一处溃疡.The pathogenic fungi of pear canker disease is a new variety.梨树腐烂病病原菌为一新变种....
I'd been a fool letting him snow me with his big ideas.我真蠢，居然被他的胡乱吹嘘给蒙蔽了。The snow was light and noiseless as it floated down.雪花轻盈飘落，无声无息。A blizzard was blasting great drifts of snow across the lake.暴风雪夹着大团的积雪吹过湖面。...
Morphine: Heterocyclic compound, narcotic analgesic alkaloid originally isolated from opium.吗啡: 杂环化合物, 从鸦片分离出的麻醉性镇痛药镇痛药生物碱.We have, therefore , in both of the examples above, heterocyclic compounds with " built - in " or...
the traditional problem of the enmity between Protestants and Catholics新教徒和天主教徒之间历来仇视的问题The vast majority of the workers here are Protestants.这里的工人绝大多是新教徒.His early experience enabled him to break down barriers between S...