[英語四六級]長句結(jié)構(gòu)分析(存儲版)
【正文】 the relationship between health and how the body takes in and utilizes food substances, can be divided into four distinct eras: // the first began in the nineteenth century and extended into the early twentieth century (when it was recognized for the first time that (food contained constituents (that were essential for human function)) and that (different foods provided different amounts（作provide的賓語） of these作adj. essential agents).4: The technique of direct
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鄂ICP備17016276號-1