Rechargeable batteries based on lithium chemistry store more energy, weight for weight, than any other sort.

在等重的前提下，建立在锂材料化工上的可充电池与其他电池相比能够储存更多电源。

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These stay in the atmosphere for years, absorb a lot of radiation and, weight for weight, have many times the impact of carbon dioxide.

这些气体在大气中停留多年，吸收大量辐射，比重计算得出，比二氧化碳的影响要大很多倍。

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Since weight loss is not my goal, it is less important for me to track my weight each week.

既然减肥不是我的目标，每周记录体重对我来说就不那么重要了。

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Its Titan rocket could lift three times as much weight into space as the Atlas rocket used for the Mercury flights.

VOA: special.2009.06.24

These are unquestionably strong words, and I think it's impossible for us to overestimate the weight of these words.

毫无疑问，这些言辞非常激烈，我觉得,怎么高估它们的分量都不过分。

耶鲁公开课 - 弥尔顿课程节选

Like somebody, for example, who has got extremely low weight might be that, and that explains part of it.

比如说那些体重非常轻的人,这解释了部分原因

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The result should be a cell that will, weight for weight, put out as much power as a diesel engine.

ECONOMIST: Clean living in Iceland

"When I got to 200 pounds, I decided, well, 'Why don't I go for a weight that's a healthy weight range for my height, '" said Welch.

CNN: Tired of slights, embarrassment, man sheds 87 pounds

And that means stress for people already on weight loss programs and opportunity for companies like Weight Watchers (WTW) seeking a share of the money spent by guilt-ridden holiday over-eaters the morning after their New Years Eve binges.

FORBES: Weight Watchers Leaders Fed With Passion