On a bad day, an accident or closure cuts off a major artery and all plans are off.

在坏的情况下，一起交通事故或者主干道关闭，所有计划都会泡汤。

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Due to the exposing nature of the terrain, air power is critical in controlling this major artery.

因为地形显露的特性，空中力量在控制这条主要干线方面是至关重要的。

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The Yangtze River has long been a major artery for transporting commodities such as coal and steel to and from river cities.

长江一直是一条运输各地产出，比如煤和钢铁的黄金水道。

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Coronary artery disease is one of the major causes of death in western countries.

冠状动脉疾病,是西方国家主要致死性疾病之一

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The broad storm hit during the evening rush hour, causing havoc on Interstate 40, a major artery connecting suburbs east and west of the city.

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