欧洲在中世纪，也就是黑死病猖獗的14世纪，毁灭了大部分橡树、柏树和桦树。
Europe razed almost half its temperate oak-, beech- and birch-woods in the Middle Ages, an onslaught only briefly reversed by an outbreak of bubonic plague in the 14th century.
在中世纪，黑死病害死了一半以上的欧洲人。
The Black Death killed more off more than half of Europe's population in the Middle Ages.
在中世纪，黑死病害死了一半以上的欧洲人。
The Black Death killed more off more than half of Europe's population in the Middle Ages.
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