unhygienic

adj.

不卫生的，不清洁的；

1. Unhygienic conditions give rise to disease.
   卫生条件不好会导致疾病。
2. It is unhygienic not to wash your hands before eating.
   饭前不洗手不卫生。
3. Unhygienic food will cause illness.
   吃不干净的食品会带来疾病。

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