The first threat we will look at is pesticides in ground water .

我们将看的第一个威胁是在地下水的杀虫剂。

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Peter was the first child of his father's second wife and thus a potential threat to the ambition of the relatives of the first wife.

彼得是他父亲与其第二任妻子的长子,因此对第一任妻子的亲戚们而言,彼得是他们的一个潜在威胁

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Biden explained the advantages of the new system: "Our new phased adaptive approach to missile defense is designed to meet a growing threat, not only to the United States, but first and foremost to Europe,"

VOA: standard.2009.10.21

Peter was the first child of his father's second wife and thus a potential threat to the ambition of the relatives of the first wife.

彼得是他父亲与其第二任妻子的长子,因此对第一任妻子的亲戚们而言,彼得是他们的一个潜在威胁

耶鲁公开课 - 欧洲文明课程节选

I alluded to this a little bit in the first class about how humans have evolved to seek out energy because famine was the largest threat is one example of this.

第一节课的时候我提到了,人类是如何演化以便寻找能量,因为饥荒是最大的威胁,这是其中一例

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The first threat is to the function of some financial markets.

ECONOMIST: Quantitative easing: QE, or not QE? | The

Sunderland posed the first threat of a mediocre first half when Andy Reid's cross evaded Olsson, but striker Djibril Cisse could not react quickly enough to take advantage.

BBC: West Brom 3-0 Sunderland

Indeed England posed the first threat after only two minutes when a cross from Shaun Wright-Phillips flashed just out of the reach of England's captain for the night Wayne Rooney.

BBC: Brazil 1-0 England