我们正面临着自恐龙灭绝以来最大的物种消亡:每1个小时,有3个物种从地球上消失。
We are experiencing the greatest wave of extinctions since the disappearance of the dinosaurs: Every hour, three species disappear.11
这一组织在一份报告中说,27种鸟在18世纪灭绝,51种在19世纪消亡,20世纪有56种鸟绝种,本世纪截至目前可能有3种鸟已消失。
A report by the organization says, 27 birds species became extinct by the 18th century, 51 in the 19th century, 56 in the 20th century, and possibly 3 have been lost to date in the 21st century.
这一组织在一份报告中说,27种鸟在18世纪灭绝,51种在19世纪消亡,20世纪有56种鸟绝种,本世纪截至目前可能有3种鸟已消失。
A report by the organization says, 27 birds species became extinct by the 18th century, 51 in the 19th century, 56 in the 20th century, and possibly 3 have been lost to date in the 21st century.
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