The man had genius and had made his mark in the aviation world.
那位男士拥有天赋,而且在航空界已经成名。
We've been talking about the decline of coral reefs in tropical areas all over the world—how natural and man-made stresses are causing them to degrade or in some cases, to die.
我们之前提到了世界各地热带地区中珊瑚礁的衰落,即自然和人为(造成的)压力是怎样造成珊瑚礁退化,或者甚至在某些情况下,造成它们死亡的。
It's the longest man-made waterway in the world.
它是世界上最长的人造水路。
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