v.推进( propel的过去式和过去分词 );推动;驱动;驱使;
例句:
He was propelled by ambition.
他受到野心的驱使.
Cars propelled by the cells wouldn't foul the air.
由这些电池驱动的汽车不会污染空气.
The old man propelled the boat by a pole.
老人用篙撑船.