单语范例（未经PONS编辑处理）
In 2006 food hygiene legislation changed and new requirements came into force.
en.wikipedia.org Personal hygiene products that aid women in urinating while standing up are not new.
en.wikipedia.org It has been used in the past as an oral hygiene product and for this reason it is also known as the toothbrush tree.
en.wikipedia.org It taught children basic things of personal hygiene like washing hands with soap and water.
en.wikipedia.org It first opened in 1881, and was constructed with an emphasis on hygiene and antisepsis.
en.wikipedia.org