burette with three-way stopcock

例句：

1. 1. The doctor used a buretteto administer the medication.
   医生使用注射器给病人注射药物。
2. 2. Shecarefully measured out the ingredientsfor her recipe with a burette.
   她用注射器小心地测量出她的食谱所需的配料。
3. 3. The nursequickly replaced the old burette with anew one.
   护士迅速用一个新的注射器替换了旧的。