scob

例句：

1. 1. The boat was pulled by a group of cob and scullers.
   一群划桨者和船夫拉动了这艘船。
2. 2. He was a skilled sculler who could navigate the river with ease.
   他是一个熟练的划桨者，能够轻松地在河上航行。
3. 3. The scullers were busy preparing for the race, while the cob rowed in the background.
   划桨者们忙于准备比赛，而船夫则在背景中划桨。