It'shows that good produce can be synthesized by using algin as precipitant.结果表明,用草酸氨做沉淀剂可以得到结构和形态比较好的产品.Ingredient: Lemon extraction, Uygur B 5, algin.成份: 柠檬提取物, 维B5, 海藻素.The present invention features the applicat...
He picked up the phone expecting to hear the chairman's gruff voice.他拿起电话，心想会听到主席粗哑的嗓音。a gruff manner粗暴的态度Beneath his gruff exterior, he's really very kind-hearted.他外表冷漠，心地却十分善良。He could be gruff and monosyllab...