From mining the oil sands of Alberta to boring under the English Channel, some of the most extreme machines made by man are devoted to digging.

从亚伯达的油沙开采到英吉利海峡的开凿，人类制造的最极端机器大都用在了挖掘上。

youdao

One clear trend stands out: Mental distress tends to linger longer after man-made disasters, like an oil spill or radiation leak, than after purely natural ones, like a hurricane.

一个突出的趋势是：人为灾难，像石油泄漏和辐射泄漏，造成的心理疾病比自然灾害，像飓风，导致的精神压力持续时间更长。

youdao

But oil spills of the sort that now threaten the Timor Sea, forest fires like those that recently afflicted Greece, and other man-made and man-assisted threats to wildlife are transient.

但是如今威胁着帝汶海的石油泄漏、最近侵袭希腊的山火以及其它这类人为或者人力助长的对自然的威胁却都是转瞬即逝。

youdao

At first Amgen tried using genetic engineering to create organisms that would extract oil from shale, man-made proteins that would make chickens grow faster and new specialty chemicals such as a cloned indigo, a substitute for the natural dye used to color blue jeans.

FORBES: Biotech Behemoth

The BP Oil Spill was unique in that it was a man-made disaster, played out in slow motion over months and televised from the bottom of the sea.

FORBES: The Banality of Catastrophe: The New Normal of Oil Spills

The burning of fossil fuels, such as coal for electricity and oil for gasoline, has caused the overwhelming bulk of the man-made increase in carbon in the air, scientists say.

NPR: Experts: CO2 Record Illustrates 'Scary' Trend