1. The F.D.A. has approved a new drug for the treatment of cancer.
F.D.A.已经批准了一种新的治疗癌症的药物。

2. The F.D.A. is responsible for regulating the safety and efficacy of food and drugs in the United States.
F.D.A.负责监管美国食品和药物的安全性和有效性。

3. The F.D.A. issued a warning about the potential risks of a popular weight loss supplement.
F.D.A.发出了关于一种热门减肥补充剂潜在风险的警告。

4. The F.D.A. conducted an investigation into reports of contaminated lettuce.
F.D.A.对有关受污染的生菜的报告进行了调查。

5. The F.D.A. requires pharmaceutical companies to submit extensive data on the safety and efficacy of their products.
F.D.A.要求制药公司提交关于其产品安全性和有效性的大量数据。

6. The F.D.A. plays a crucial role in ensuring that medical devices meet safety standards before they are marketed.
F.D.A.在医疗器械上市前确保其符合安全标准方面发挥着关键作用。