vt.推进，推动，驱动，驱使
Paddles are used especially to propel canoes and kayaks.
短桨特别用于划独木舟和小艇.
The tiny rocket is attached to the spacecraft and is designed to propel it toward Mars.
小火箭捆绑在宇宙飞船上，用于推动飞船飞向火星。
They use oars to propel boats.
他们用浆推进船只.
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