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It shares, with Canada, the second longest river system in North America and has over half the coastline of the United States.

它与加拿大共享北美第二长的河流系统，拥有美国一半以上的海岸线。

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Among them the Yangtze River is the longest one and the second longest one is the Yellow River.

其中最长的是长江，第二长的是黄河。

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Today the war is the second longest in American history, after Vietnam.

VOA: special.2009.10.10

The tunnel, which is the longest in the second phase of the high-speed rail project, will descend at Davenport Green to the north-east of the airport.

BBC: HS2 to enter Manchester via tunnel under city

Across the whole of London and the south-east of England, the hospital had 12 of the 60 longest waits found, as well as the second longest single wait.

BBC: 'Horrific' waits at London hospital

Despite the exercise regimen, which lasted at least an hour each day, the old Alpha crew can expect weeks of physical therapy to regain muscle and bone strength lost during the flight, the second longest in NASA history.

CNN: Alpha astronauts: Trip to Mars is doable