trypan blue

例句：

1. 1. Trypan blue is adye that can be used to stain bloodsamples for microscopic examination.
   锥虫蓝是一种染料，可以用来染色血样进行显微镜检查。
2. 2. The patient was given trypan blue to test for malaria.
   患者被给予锥虫蓝来检测疟疾。
3. 3. The doctor used trypan blueto identify the infected tissue in the patient's leg.
   医生使用锥虫蓝来识别病人腿上的感染组织。