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...
Have you ever seen such a bunch of self - righteous , arse - covering prigs?为什么我总是遇到一些自以为是的 饭桶?I think I can wipe my own arse, Mr. Sugarman, thank you!我想我能自己搞定,舒格曼先生, 谢谢你!I do not need to be pregnant to kick your arse.我不...