N , N - dimethyl - 2 - mercapto - nicotinic amide is an important synthetic intermediate for drug and pesticide.二甲基 -2- 巯基烟酰胺是重要的医药和农药中间体.Mercaptobenzothiazole or the mercapto - mix: Which should be in the standard serie...
She shut the lid down.她扣上了盖儿。I can't work off the lid of this bottle; can you help me?我不能把这个瓶盖转下来, 你能帮帮我吗?The lid won’t come off accidentally,it’s been fastened on.盖子不会掉下来,装得很牢。Cooking with the lid on gives the food...