o开头的单词名词

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。