Erosion, of course, is one of the key reasons for its destruction, but human activity is also increasingly responsible.

当然，侵蚀是造成其破坏的主要原因之一，但人类活动应承担的责任也越来越大。

youdao

One key driving force behind bee destruction in Europe and North America has been a type of mite, the varroa destructor pest, which attacks bees and that beekeepers struggle to control, Neumann said.

欧洲、北美的蜜蜂面临的毁灭背后一个关键性的驱动力是一种叫做瓦螨的小虫，它们向蜜蜂发起进攻，而养蜂人则极力想要控制它们，诺依曼说。

youdao

Uncertainty is a key contributor to demand destruction.

不确定性是需求破坏的主要促成因素。

youdao

The key to understanding the destruction of the Constitution lies in its original construction.

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The key will be limiting destruction and civilian casualties in Marjah.

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For the rest of us, getting rid of the weapons of mass destruction was the key and removing Saddam Hussein was incidental to that effort.

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