blending :mixture of different sorts 不同种类的混合物。 eg: a cup of blending drink of coffee and milk.
compound: 1.substance consisting of two or more elements chemically combined 化合物(发生了化学变化)eg:Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
2.thing make up of two or more separate things combined together. 复合物(由几部分组成)
eg:compound nouns 复合名词(由几部分组成的一个名词)
以上解释来自于 牛津高阶英汉双解词典第四版。希望对你有帮助。