形容詞 sanitary:

1. free from filth and pathogens
   同義詞：healthful

1. Sanitary conditions had deteriorated to such an extent that there was widespread danger of disease.
   衛(wèi)生條件惡化到了如此程度，到處都有發(fā)生疾病的危險。
2. Do not put sanitary towel in the toilet, but use the special bag provided.
   請勿將衛(wèi)生巾丟在廁所內(nèi)，可使用特別提供的袋子。
3. Epidemic disease is often in connection with bad sanitary conditions.
   流行病通常是和不良的衛(wèi)生條件有關的。