Apple updated the aluminium unibody MacBook Pro line to include 13-inch, 15-inch and 17-inch models featuring up to 40 per cent longer battery life.

苹果公司更新了拥有铝制机身的MacBook pro产品线，新产品包含13寸、15寸、17寸三种规格的产品，电池续航时间较以前有40%的提高。

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Apple offers the 15-inch MacBook Pro with 2.4 GHz or 2.53 GHz Intel Core i5 processors, a 2.66 GHz Intel Core i7 processor or an optional 2.8 GHz Intel Core i7 processor.

MacBook Pro的处理器有以下几种选择：2.4Ghz或2.53Ghz的英特尔酷睿i5处理器，以及2.8Ghz的因特尔酷睿i7处理器。

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Apple also added a faster processor to its 15-inch MacBook Pro with Retina Display.

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Apple marketing head Philip Schiller also unveiled a new version of a 15-inch MacBook Pro, which he said will feature up to seven hours of battery life.

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The 15-inch MacBook Pro with Retina display is available through the Apple Online Store (www.apple.com), Apple's retail stores and Apple Authorized Resellers.

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