他们很快就开船了，由汤姆掌舵，哈克划后桨，乔划前桨。
They shoved off, presently, Tom in command, Huck at the after oar and Joe at the forward.
前桨手：在船头摇橹、划桨或荡桨的人。
美国西科斯基公司的X2拥有一部安装在后方的推进螺旋桨，这使它获得高速的前飞速度。
The Sikorsky X2 has a pusher propeller mounted at the rear to obtain its high forward speed.
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