At that time there were no effective rules for food and drugs in Nigeria.

那时，尼日利亚的食品和药品没有有效的规定。

The IRS is mostly closed and some inspections by environmental and food and drug workers have stopped.

美国税务局大多数情况下也会关闭，一些关于环境保护，食品和药物的检测也因为没有工作人员而停止。

In 1906, the U.S. government enacted or made into law, the pure food and drug act.

1906 年，美国政府颁布或制定了《纯食品和药品法》。

This is important when it comes to food and medicine, and that's the work of the food and drug administration in the US.

当涉及到食品和药品时，这很重要，这就是美国食品和药品管理局的工作。

Two important pure food and drug laws, enacted during the same year, were designed to protect the public against diseased meats and deleterious foods and drugs.

同年颁布的两项重要的纯食品和药品法旨在保护公众免受病肉和有害食品和药品的侵害。