methyl blue的用法和樣例：
例句
- The instillation of methylene blue into the esophagus during bronchoscopy is a useful diagnostic method.
藉由直接經食道注射甲基藍之支氣管鏡術為一可行的診斷方法。 - The deionizing and deoxidizing water is required by the methylene blue spectrophotometric method in the new national standard to analyze sulfide in water and waste water.
在新頒國標中，採用亞甲基藍光度法測定水和廢水中硫化物時，要求用去離子除氧水做為實驗用水。
