She had to concentrate on flexing her pectoral muscle, or the triceps, to power the arm.

为了给手臂提供力量，她不得不用力伸缩她的胸肌或者三头肌。

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These cells then power the motors located here under each arm.

这些电池给每支手臂下的发动机提供动力。

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As prominent a founding father as James Madison maintained: "A people who mean to be their own governors must arm themselves with the power knowledge gives.

其中著名的如开国制宪者詹姆斯•麦迪逊所说：“想要自我治理的人们必须用知识的力量武装自己。

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The Department of Defense does not have a submersible that can reach 5, 000 feet with the mechanical arm power to do the types of things that BP and other oil companies buy equipment to do.

WHITEHOUSE: Press Briefing

Also last week, shares of Hopewell's 54.6%-owned power arm, Consolidated Electric Power Asia (CEPA), fell nearly 12% over concerns about delays in its Pagbilao power plant in the Philippines.

CNN: HANGING ON AT HOPEWELL

But regardless, after what has been a tough spell for Chinese solar tycoons and their investors, a curtain seemed to come down with the bankruptcy of the Wuxi Suntech Power arm of the emblematic Suntech Power Holdings, whose shares dipped to 42 cents in New York on Friday.

FORBES: Asia's Week: Another Wild One on China's Business Frontier