He pulled as hard as he could on the oars.
他拼命地划桨。
The blade of the oar had entangled itself with something in the water.
船桨的`桨叶和水里的什么东西缠住了。
Mustering all her strength, Nancy pulled hard on both oars.
南希使出所有力气，用力划动双桨。
The boatmen accompany the stroke of their oars with the sound of their voices.
船夫们一边划桨一边喊号子。
This boat pulls [ rows] six oars.
这只船用六把桨划。