screenings wrapping

例句：

1. 1. The doctor performed a thorough screening of the patient's medical history.
   医生对病人的医疗史进行了彻底的检查。
2. 2. Before starting the experiment, we conducted several screening tests to ensure safety.
   在开始实验之前，我们进行了几次筛选测试以确保安全。
3. 3. The new drug underwent rigorous screening before being approved for use.
   新药在被批准使用前经过了严格的筛选。