n.动脉，干线(指主要公路、河流、铁路线等)

原形：artery复数：arteries

This is where the three main arteries meet.
这是三条主要干线汇合的地方。
Blood was spouting from the severed artery.
血从切断的动脉里喷出来。
The thickened artery wall narrows the channel through which the blood flows.
变厚的动脉壁使流通血液的管腔变细。
An artery is a blood vessel that carries oxygen-rich blood away from the heart to the body's tissues.
这句话的意思是：动脉是一种将富含氧气的血液从心脏输送到身体组织的血管。
The doctor palpated the patient's carotid artery to check for signs of circulation issues.
这里医生在检查患者颈动脉，以判断是否有血液循环问题。
A coronary artery blockage can lead to a heart attack if not treated promptly.
如果冠状动脉堵塞未及时治疗，可能导致心脏病发作。
The surgeon made a small incision in the femoral artery to insert a stent.
手术医生在股动脉上开了一个小口，以便植入支架。
Arterial hypertension, or high blood pressure, is a major risk factor for stroke.
高血压是中风的主要风险因素。
Angioplasty is a procedure that opens narrowed arteries to restore blood flow.
血管成形术是一种恢复狭窄动脉血流的手术。
Exercise helps improve blood flow through your arteries and reduces the risk of cardiovascular disease.
锻炼有助于改善动脉血流，降低心血管疾病的风险。
The arteriosclerosis caused by smoking hardens the arterial walls, reducing blood flow.
吸烟引起的动脉硬化会使动脉壁变硬，影响血流。
Atherosclerosis, the buildup of plaque in arteries, is a common condition as we age.
随着年龄增长，动脉内斑块的形成（动脉粥样硬化）是一种常见现象。
In an emergency, paramedics may perform CPR to revive someone whose heart has stopped, using the femoral artery to find a pulse.
在紧急情况下，急救人员可能会使用股动脉来检测心跳停止者的脉搏，同时进行心肺复苏。