Well protected in their plate armour, and armed with a lance and sword, they pack a powerful charge on the battlefield, while being difficult to kill.

他们身穿板甲，装备骑枪和长剑，冲锋威力强大，生命力顽强。

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No matter how powerful our brains are, they need recuperation time, to be kept in shape, and even an occasional charge.

不论我们的大脑有多么强大，它们还是需要休息恢复的，保持状态良好，甚至偶尔的充充电。

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Powerful 600 watt electric motor allows the bike to travel for more than 100 miles on a single charge with top speed of 20 mph.

这种自行车配有强大的600瓦特电瓶，充电一次就可以让自行车以最高时速20mph（32公里每小时）行驶100英里（161公里）以上。

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Like the Bank of England, the U.S.Federal Reserve has all but exhausted one of its most powerful tools for stimulating the economy -- lowering the key interest rate that banks charge to lend to each other.

VOA: standard.2009.03.18

The less-powerful cores take charge during routine functions, consuming less power and extending battery life.

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This person might be the poor, isolated but powerful woman in charge of HR.

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The durable silicone unibody construction comes in four Technicolor shades and houses a 2.1 amp circuit, which is powerful enough to charge two smartphones or a voracious tablet.

WSJ: Tangle-Free Charging on the Open Road | Geek Chic