6. In a steam engine,the chemical energy of fuel is changed to heat energy; the heated water,now steam,forces the pistons to move.
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Most ships now steam along narrow corridors at night and at full speed.
现在绝大多数船只在晚上全速通过狭窄的航道。
Now we then have to condense that steam and recirculate it back either to a steam generator or back to the core.
现在,我们需要压缩蒸气,将它流通回去,或者到一个蒸气发电机,或回到核心。
For now, STEAM can only produce images composed of just 3, 000 pixels, a far cry from the multi-million-pixel cameras used by consumers.
目前为止,STEAM还只能拍出只有3000像素的照片,跟大众普遍的使用的动辄几百万像素的相机还有很大差距。
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