问题描述:
英语翻译
But what exactly is suger?of course,most of us recognize it
immediately as the sweet material which we put in cffee or cakes .But there are in fact many types of sugar.and the chemist recognizes hundres of different forms,each coming form a different source
But what exactly is suger?of course,most of us recognize it
immediately as the sweet material which we put in cffee or cakes .But there are in fact many types of sugar.and the chemist recognizes hundres of different forms,each coming form a different source
问题解答:
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