"Human to human transmission would be a catastrophic event," she says.

“人类间的传播将成为一个灾难性事件，”她说。

youdao

Completion of the spillway was expected to reduce the risk of such a catastrophic event.

预计泄洪渠的完成能够降低发生这种灾难性事件的风险。

youdao

It seems to have lost an entire 40-kilometre-long flank in one catastrophic event, say the researchers.

研究人员说，它似乎在一次灾难性事件中已失去了长达40公里的整个侧翼。

youdao

He said government efforts have been geared toward the possibility of a "catastrophic event."

VOA: standard.2010.05.14

Dave Bissonette, emergency control director in Clarence, described the crash as a "catastrophic event".

BBC: Plane crash in NY state kills 50

There is also little risk of a catastrophic event due to accidents or terrorism.

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Not doing so would eventually lead to defaulting on Treasury bonds, a potentially catastrophic event.

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