单词	卫生常识
释义	卫生常识1. elementary knowledge of hygiene and sanitation
随便看	family laboratory的意思 family leave的意思 family-level health problem的意思 family life的意思 family life cycle的意思 family life-cycle的意思 family life education的意思 family likeness的意思 family man的意思 family-man的意思 familyman的意思 family map的意思 family medical history的意思 family medicine的意思 family medpractice的意思 family men的意思 family method of breeding的意思 family-minded的意思 family--mineral的意思 family mobility的意思 family mold的意思 family movement task的意思 family name的意思 family name, or surname的意思 family names的意思