speedometer相关的词根或词缀是: metermetrmeasmens

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The speedometer on my scooter is broken .

我摩托车的速度表坏了。

My car doesn 't have a speedometer .

我车上没有时速表。

You saw the speedometer ?

你看见计速表了？

The speedometer was rocking between sixty and sixty-five .

里程计在60与65之间来回摆动。

Like I said , never set the speedometer back .

就象我所说的,我绝对没有将里程表倒转.