But at its core is a power strip — called the Powertrack — with a single trench less than two centimeters wide, concealed by two rubber flaps.

但其核心是Powertrack电源接线板，它表面是一个不到两厘米宽的沟槽，外面用两片胶皮封闭。

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The power strip, power bricks, and accompanying cable clutter for his laptop are all concealed neatly within the desk.

电源线、电池块和陪同他笔记本的一些凌乱的线都被收在了这个暗箱里。

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Everyone has his inherent ability( power or capacity?) which is easily concealed by habbits, blurred by time, and eroded by laziness( or inertia?).

每个人都有他的内在能力（权力和才能）。 而这些往往容易被爱好隐藏，被时间模糊了，被懒散（惰性）腐蚀。

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Even if we locate a source of some kind of genuine strength, authoritative strength, it's still usually possible, as it is for Satan, to argue that that power is really at base just the concealed product of custom or what we would think of as cultural construction.

有时即使我们找到了一种真实的，权威的力量，还是有可能像撒旦所辩解的那样，这种力量其实只是,约定俗成的规矩教条的隐秘产物,或者如我们所想来自文化建构。

耶鲁公开课 - 弥尔顿课程节选

Alcatel, however, will use a small radio transmitter concealed in the battery cover of the phone to transmit a coded low-power signal to the belt clip to tell it when to vibrate, a company spokesperson said after the press conference.

CNN: Technology - Alcatel personalizes vibrating phone alerts

Unlike the batteries in traditional arms, which die quickly, a small canister of hydrogen peroxide concealed in the arm can last up to 18 hours, and provides about the same power and functionality of a human arm.

ENGADGET: Rocket-powered mechanical arm might boost prosthetic tech