sanitary
adjective uk/ˈsæn.ɪ.tər.i/ us/ˈsæn.ə.ter.i/
卫生的，清洁的，干净的
clean and not dangerous for your health, or protecting health by removing dirt and waste, especially human waste
Cholera thrives in poor sanitary conditions. 霍乱在卫生条件差的环境里容易蔓延。
There were only very basic sanitary facilities on the site. 工地上只有最基本的卫生设施。
His kitchen didn't look very sanitary (= clean). 他的厨房看起来不太干净。
月经期使用的
used to refer to the things used by women during their period (= blood flow each month)
sanitary protection 经期用品
disposable sanitary products 一次性经期用品