bed vein

例句：

1. 1.The doctor found a bed vein in his patient's arm.
   医生在他的病人手臂里发现了一条床静脉。
2. 2. The nurse carefully removed the bandage from around the bed vein.
   护士小心地从床静脉周围解开绷带。
3. 3. The patient was given an injection to treat the bed vein infection.
   患者被注射了治疗床静脉感染的药物。