New General Studies: Book 3 J.1 Unit 2 - Ch.6: Household Hygiene 01 household hygiene 家居衛生 02 unpleasant environment 討厭的環境 03 affect 影響 04 comfortable environment 舒適的環境 05 good ventilation 空氣流通 06 quietness 寧靜 07 cleanliness and hygiene 清潔衛生 08 expensive furniture 名貴家俬 09 tidiness 整齊 10 personal habits 個人習慣 11 practices 做法