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...
Overall, there were more losers than gainers.总的来看，输家比赢家多。Construction, machinery, timber, water and electricity industries were among the biggest gainers.建筑 、 机械 、 木材 、 水电等行业涨幅居前.Plates, plates among the biggest gainers ...
This figure includes the liquid component but excludes the intercellular cement.这个数值包括类脂物成份在内,但不包括细胞间粒接剂.This definition excludes accidental or deliberate excessive dosage or maladministration.这一定义排除有意或意外的过量用药和用药不当.As ma...