For sale: small motor scooter. Enquire within.

待售：小型摩托车，请进内询问。

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Two sensors pick up the movements and transmit the information to a small motor mounted next to the lens that moves it.

两个传感器获得移动的影像，将信息传递到挨着镜头的一个小型发动机上。

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This is key because, often, a small motor spinning very fast can provide enough power for a device, but not enough torque.

这主要是因为，通常，当小小的电机高速运转时，虽然能提供足够的功率，但不能提供足够的力矩。

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It does have a small motor because it will go for about 40 miles on the battery.

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Most dive shops rent snorkelling equipment and bangkas (small motor boats) to individuals who want to explore the surrounding sea on their own.

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The Volt runs on a batter and has a small gasoline motor that kicks in when that power runs down.

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