Merkel's filtrum

例句：

1. 1. The scientist used a Merkel's filtrum to analyze the chemical composition of the sample.
   科学家使用一个默克尔滤波器来分析样本的化学成分。
2. 2. The medical team developed a new treatment for cancer using a Merkel's filtrum.
   医疗团队开发了一种新的癌症治疗方法，使用了默克尔滤波器。
3. 3.The researcher found that the Merkel's filtrum was responsible for the patient's unusual symptoms.
   研究人员发现，患者的不寻常症状与默克尔滤波器有关。