导管
a flexible tube inserted into the body, especially the bladder, for withdrawing fluid or introducing medication.
:
• The nurse inserted a catheter to drain the patient's bladder.
护士插入了导管以排出患者膀胱中的液体。
• Cardiac catheters are used to diagnose and treat heart conditions.
心脏导管用于诊断和治疗心脏疾病。
