New types of tiny combined heat and power plants are able to turn about half the energy in fuel into electricity, almost matching the efficiency of huge generators.

新型的小规模热电联产机组，能够将燃料中大约一半的能量转化为电力，其效率已与大型发电机的效率相若。

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We have to walk about 200 meters and then turn right.

我们要走大约200米然后右转。

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Scientific American magazine says huge lasers turn only about twenty to thirty percent of the energy they use into a laser beam.

VOA: special.2010.09.01

Didn't I know anything about turn about to right, but now I think I know enough to amuse them and to entertain them.

我从前从不知道这些东西，但现在我已经学的足够多,足够引起他们的兴趣了。

麻省理工公开课 - 媒体、教育、市场课程节选

On Tuesday we'll turn to a more specific subject matter: hermeneutics, what hermeneutics is, how we can think about the nature of interpretation.

周二我们会讲到一个更具体的问题：,即解释学，解释学是什么，我们该如何看待解释学的本质。

耶鲁公开课 - 文学理论导论课程节选

But town councillors in Llanfair Caereinion have since agreed to pay the local authority to turn about 50 of them back on.

BBC: Council agrees lights switch-off

The last few months have shown just how difficult it will be to turn rhetoric about a unified Europe and a common foreign policy into reality, says BBC Europe correspondent Chris Morris.

BBC: Iraq rift overshadows EU summit

In just three weeks this fall, thousands of people playing the free downloadable game helped map the structure of an enzyme that could fight HIV and AIDS. Scientists at the University of Washington created Fold-it to turn research about protein folding into a game, dishing up puzzles made up of spirals and clumps that represent amino acids.

FORBES: Let's Play! Turning Serious Business Issues Into Games