underground testing laboratory

例句：

1. 1. The underground laboratory is designed to test the safety of new drugs.
   这个地下实验室旨在测试新药的安全性。
2. 2. The underground testing lab has been conducting tests on nuclear waste for years.
   这个地下测试室多年来一直在对核废料进行测试。
3. 3. The underground testing lab is a crucial component in the development of new medical treatments.
   地下测试室是开发新医疗治疗方法的关键组成部分。