词汇	PE elective course
释义	PE elective course 体育选修科
随便看	Medical studies on plant of urtica L medical study Medical stuff medical stuffs medical subject Medical Subject Headings Medical Subject Headings Chemical Medical Subject Headings-Chemical Medical Subject Headings Descriptor Medical Subject Headings-Descriptor Medical Subject Headings Qualifiers Medical Subject Headings-Qualifiers medical subsidies medical subsidy Medical substances medical succor Medical succor system medical supersonic atomizer medical supervision medical supervision on sports medical supplies medical supplies distribution medical supply medical-supply Medical supply chain management