A study led by biologist Jon Puritz of the University of Hawaii found discharges from water treatment systems and contaminated rivers led to genetically different sea star populations of the species.

来自夏威夷大学的生物学家Jon Puritz主导的一项研究表明，污水处理系统和受污染的河流排放的水会使得这种海星发生基因变异。

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Sachs’ appearance was organized by Hanson, with help from faculty assistant Carol Igoe, Jon Taylor ’10 and an inter-year committee of students from Section VI.

萨克斯的见面会系由汉森教授组织，助理教授卡罗尔伊戈、乔恩泰勒以及一位来自六区年际委员会的学生予以惠助。

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Demand Generation Secret Sauce (Jon Miller from Marketo, our client).

需求产生秘方(乔恩·米勒从市场到我们的客户)。

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Gaskell pounced from Jon Wilkin's high kick for another try and Eastmond darted over at the corner.

BBC: Castleford Tigers 26-46 St Helens

Two tries from Jon Wilkin further compounded the visitors' misery, while Gareth Ellis scored a consolation try.

BBC: St Helens 38-10 Leeds

He then profited from a clever lay-off from Jon Stead but his six-yard strike was saved by Westwood.

BBC: SPORT | Football | Championship | Coventry 2-1 Ipswich