Sims' speculum

例句：

1. 1. The speculum was used to examine the patient's eyes.
   这个圆镜被用来检查病人的眼睛。
2. 2.The doctor examined the patient with the speculum in hand.
   医生拿着圆镜来检查病人。
3. 3.The patient was examined by the doctor using the speculum.
   病人被医生用圆镜检查。