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...
Even company directors on £100,000 a year can be deeply in hock to the banks.即便是年薪10万英镑的公司董事也可能欠银行很多债。It was spring, and our padded clothes had just been placed in hock.这是个春天, 我们的棉衣都刚脱下来就人了当铺.Place bandage several inches...
...18 inches below the surface.表面以下 18 英寸How many imperial inches are there in one metric centimetre? — Naught point three nine three seven inches.一厘米等于多少英寸? ——等于0.397英寸.The well is surrounded by a wall only 12 inches hi...