这种植物现在有绝种的危险.The plant is now in danger of extinction.温斯顿觉得, 查林顿先生也算个绝种的动物呢.Mr Charrington, thought Winston, was another extinct animal.某些绝种的头足类动物具有特殊的旋卷形态.Certain extinct cephalopods have an unusual coiling shape....
Series: used for pesticide emulsifier and other industrial surfactant.系列: 用于农药乳化剂和其它工业用表面活性剂.Stabilization of emulsifier, hydrocolloid and salt on apple fruit juice milk was studied.研究了乳化剂 、 胶体和盐对苹果汁牛奶的稳定作用.Coverage of p...