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1.The artery was blocked, causing the blood to pool in the area.
动脉被阻塞，导致血液在区域中积聚。
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2.The surgeon had to perform a bypass surgery on the artery to save the patient's life.
外科医生不得不对动脉进行搭桥手术来拯救病人的生命。
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3. The doctor discovered that the artery had been damaged during the operation.
医生发现在手术过程中动脉受损了。