单词	dehydrocholesterol
释义	dehydrocholesterol noun de·​hy·​dro·​cholesterol dē¦hīdrō+ : a crystalline steroid alcohol C27H43OH that occurs chiefly in higher animals and humans (as in the skin), that is made synthetically from cholesterol, and that yields vitamin D3 on irradiation with ultraviolet light called also 7-dehydrocholesterol Word History Etymology dehydr- + cholesterol
随便看	perspectiveless perspectively perspectives perspectivic perspectivism perspectivist perspectivistic perspectivity perspectograph perspectometer Perspex perspexes perspicacious perspicaciously perspicaciousness perspicaciousnesses perspicacities perspicacity perspicil perspicuities perspicuity perspicuous perspicuously perspicuousness perspicuousnesses

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