接下来是伊利运河，这是当时的一项巨大工程，全长约350英里。
Next came the Erie Canal, an enormous project in its day, spanning about 350 miles.
密西西比河全长约2300英里，是美国最长的河流。
At some 2,300 miles in length, the Mississippi is the longest river in the United States.
然而，当蟹完全长大后，它们不需要穴居就能很容易地承受潮汐流，因此它们获得了大量的藤壶。
When fully grown, however, the crabs can readily withstand tidal currents without burrowing, and thus they acquire substantial populations of barnacles.
其全长近3200公里，是世界上最长的人工水道。
At nearly 3,200 kilometers long, it is the world's longest man-made waterway.
长江位于中国，全长3917英里，流入中国东海。
Located in China, the Yangtze River is 3,917 miles long and flows into the East China Sea.
麦肯齐河是加拿大最长的河流，全长约1000英里。
At some 1,000 miles, the Mackenzie is the longest river in Canada.
密西西比河和密苏里河水系是北美最长的水系，全长3902英里。
The river system of the Mississippi River and the Missouri River is the longest river system in North America at 3,902 miles.
叶尼塞河发源于蒙古，流经俄罗斯，汇入北冰洋的喀拉海。全长3445英里。
The Yenisei River starts in Mongolia and flows through Russia to the Kara Sea in the Arctic Ocean. It's 3,445 miles long.
北极燕鸥在从南美洲的最南端飞往北极圈的路线全长2万公里，但燕鸥这一路上都不会留意观鸟船送来的散发臭味却又可口的鲱鱼。
An arctic tern, on its 20,000 km flight from the extreme south of South America to the Arctic circle, will take no notice of a nice smelly herring offered from a bird-watcher's boat along the way.
另一个消息是，罗汉重新设计了他们的全长滑雪服。
Another news is that Rohan has re-designed their full-length salopettes.
最高塔架高达452英尺，而桥全长度不足一英里。
The peak of its pylon is 452 feet high, while the bridge's total length is just shy of a mile.
汨罗江全长253公里，流域面积达5543平方公里。
Miluo River total length of 253 km, the basin area of 5,543 square kilometers.
汨罗江全长253公里，流域面积达5543平方公里。
Miluo River total length of 253 km, the basin area of 5, 543 square kilometers.
该公路起于昆明，经老挝至泰国曼谷，全长约1750公里。
The highway starts from Kunming, goes through the Laos and ends at Bangkok, Thailand. It is about 1750 km long.
它全长32米稍多一点儿，航海速度并不快，但是建造得很坚固。
It was just over 32 metres in length. It was not a fast sailing ship, but was strongly built.
该隧桥南起浦东新区、经长兴岛，北止崇明岛，全长25.5公里。
The tunnel-bridge links Chongming Island to the Pudong New Area via the Changxing Island over a 25.5 km expressway.
武汉长江隧道全长3.6公里，双线4车道，预计日通行能力为5万辆。
The 3600m-long tunnel has 4 lanes. Its average daily traffic flow is expected to reach 50000 vehicles.
预计2015年完工，全长预计31英里，但是只有22英里是位于海上。
Building is expected to be finished in 2015, and the bridge is expected to cover about 31 miles, although only about 22 miles will span the sea.
利用高端技术进行的最全面考古研究显示，其全长共8 851.8千米。
The most comprehensive archaeological survey, using advanced technologies, has recently concluded that the entire Great Wall, with all of its branches, stretches for 8, 851.8 km.
长江是世界上第三大河，全长6300公里，流域面积180万平方公里。
The Yangtze river, the third longest river in the world, is 6,300 kilometers long with a basin of 1.8 million square kilometers.
五个优先措施可以使G20峰会在改善全球食物安全长效机制上发挥关键作用。
Five priorities may give this G20 summit a vital role in improving long-term global food security.
这个隧道全长35英里，是世界上最长的火车山体隧道，预计将在2017年年底通车。
With a length of over 35 miles, the world's longest train tunnel should become operational at the end of 2017.
这个隧道全长35英里，是世界上最长的火车山体隧道，预计将在2017年年底通车。
With a length of over 35 miles, the world's longest train tunnel should become operational at the end of 2017.
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