Since becoming a topic of widespread worry about five years ago, the changing pH of the oceans has been added to the litany of environmental woes.

自从约5年前成为广为传播的忧虑话题之一之后，环境问题的冗长清单上又多了一项海洋PH值的变化问题。

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For example, as the atmospheric carbon-dioxide level in Hawaii goes up, the ph at a mid-ocean mooring about 450km to the north-west goes down (see chart).

例如在夏威夷，大气中二氧化碳浓度在升高，其西北方向约450公里处海洋监测点的PH值在下降(见图表)。

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The thing about people with Asperger's, many of them, of course, are not just normal intelligement(ph), but many of them also are very highly intelligent.

阿斯伯格群体的特别之处在于，他们中的许多不仅是智力与常人无异，而且其中还有不少人智力极高。

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The research team monitored decreases in seawater pH of about 0.02 per decade since the late 1960s in the Iceland and Barents seas.

BBC: Arctic Ocean 'acidifying rapidly'

That got Brad Neil(ph) thinking about his future.

NPR: Veteran Soldiers, Guardsmen Cut Careers Short

But 23-year-old Van(ph) Yu(ph) still worries about her chances.

NPR: U.S. Image Suffers in a Changing China