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中文词源： dynamo
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常见考点例句：

When electric dynamos were first introduced , the steam engine would be ripped out and the dynamo would replace it .

在发电机刚刚面世的时候，人们拆掉了蒸汽机，用发电机取而代之。

Her husband phil , also 63 , is a different kind of dynamo .

她的丈夫菲尔同样63岁，同样是个精力充沛的人。

But according to the visitor he encountered , the outer ring works like a dynamo that can turn the dome into a time machine able to rejuvenate human cells .

不过，据他遇到的来访者称，这座建筑的外环像发电机一样运转，把圆屋顶变为能使人类细胞充满活力的时间机器。

Professor david 's aim was to persuade economists that the history of the electric dynamo would tell them something about the ongoing information revolution .

戴维教授的目的是要让经济学家们相信，发电机的历史可以让他们对正在进行的信息革命有所了解。

I use a dynamo to save the cost of batteries to both my pocket and the planet , and puncture-proof tyres to make sure I 'll never need disposable repair kits again .

我用了一个发电机，省下了我的兜里买电池的钱，备上防穿刺的轮胎来确保我不再需要一次性修理工具。