任何由机械推动的船只 any vessel propelled by machinery
推动船的不是高大的帆，而是无形的风。
It is not the lofty sails but the unseen wind that moves the ship.
每个潜艇都将有一两个驾驶员在艇上使用踏板或其他推动系统来引导他们的船最快地穿越水下328尺（100米）的比赛航程。
Each sub will have one or two pilots onboard who use pedals or some other propulsion system to guide their vessel across the 328-foot (100-meter) submerged racecourse the fastest.
在这里几个强有力的船桨推动船在波涛汹涌的河流中前进。
That's an event in which several powerful strokers propel the boat forward through choppy waters.
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