医院保持卫生条件以防止感染。

The hospital maintains ___hygienic conditions to prevent infections.

那不仅极其不舒服，而且不方便，也不太卫生。

That was not only extremely uncomfortable, but also inconvenient and not very ___hygienic.

食品处理者必须遵守严格的卫生规范。

Food handlers must adhere to strict ___hygienic practices.