“卫生的”用英语怎么说

食物必须在卫生的环境中制作。Food must be prepared in hygienic conditions.我愿称它为世界最不卫生的地区之一.I would call it one of the most unsanitary areas in the world.干吗不趁服务员打扫卫生的机会就在这儿会面 呢 ? ”Why don't you meet in here while the waiters are cl...