这句话怎么安排合适First,Four issues--the structural characteristics,t

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这句话怎么安排合适
First,Four issues--the structural characteristics,the methods of extraction and isolation,the physical and chemical properties and structural identifications—are been studied of various chemical components and active constituents from natural products
of various chemical components and active constituents from natural products是Four issues的定语

First,Four issues of various chemical components and active constituents from natural products ,the structural characteristics,the methods of extraction and isolation,the physical and chemical properties and structural identifications,are being studied

这句话怎么安排合适First,Four issues--the structural characteristics,t Journalism is the first rough draft of history.这句话怎么翻译比较合适? 英语翻译the structural and magnetic properties of hexagal four-f what are the characteristics of the four dishes of China? 例如The first four 英语翻译请帮忙翻译一下这句话：The characteristics that distinguish humans f 怎么区分the first,the first of all ,first of all ,at the first,t 英语翻译The First Four PlanetsSome planets are near to the sun.T “steel is an outstanding structural material"这句话啥意思请翻译男士第二句话的意思 The first four contestants won only small prize structural priming 怎么翻译翻译 Haven't you kept up on the issues?