sanitary conditions had deteriorated to such an extent that there was widespread danger of disease.
卫生条件恶化到了如此程度，到处都有发生疾病的危险。
Do not put sanitary towel in the toilet, but use the special bag provided.
请勿将卫生巾丢在厕所内，可使用特别提供的袋子。
Epidemic disease is often in connection with bad sanitary conditions.
流行病通常是和不良的卫生条件有关的。
