injection tube

例句：

1. 1. The doctorinserted the needle into her arm to give her an injection.
   医生把针头插入她的手臂，给她注射。
2. 2. The nurse carefully placed the injection tube into the patient's vein.
   护士小心地把注射管插入病人的静脉。
3. 3. The pharmacist checked the injection tube before administering medication.
   药剂师在给药前检查了注射管。