1905年科罗拉多河泛滥后，1500名工作者用了50万吨石头才把它归位。
After the Colorado river flooded in 1905, it took 1500 workers and half a million tons of rock to put the river back on course.
美国冰雪数据中心在博尔德和科罗拉多州的卫星监测显示：今年海冰的融化速度异乎寻常地快，冰层以每天高达4万平方公里的速度在消失。
Satellite monitoring by the NSIDC in Boulder, Colorado, shows that the melting of sea ice has been unusually fast this year, with as much as 40, 000 sq km now disappearing daily.
这种浮游生物在80万年之间并没有在北大西洋被发现过，直到1999年的调查中在拉布拉多海的海滩出现。
The plankton hadn't been seen in the northern Atlantic in some 800,000 years-until a survey in 1999 turned up a bunch in the Labrador Sea.
应用推荐