hygienic

剑桥词典

clean , especially in order to prevent disease
衛生的（尤指預防疾病的）
It isn't hygienic to let animals sit on the dining table . 讓寵物坐在餐桌上是不衛生的。

例句

• From what I've heard , the school toilets are not exactly as hygienic as they should be.
• Food must be prepared and stored in hygienic conditions .
• You can't eat food that's been on the floor - you know it's not hygienic.
• It is essential that doctors follow strict hygienic practices like washing their hands after examining every patient .
• I suppose warm-air hand-driers are more hygienic than hand-towels, and paper towels create a lot of litter .
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