| 例句 |
A beaver swam vigorously upstream.一只河狸奋力向上游游去。The hat is made of beaver.这顶帽子是海狸毛皮制的。There's a beaver dam in the stream behind my house.我家后面的小河里有一道河狸筑起的坝。These young people beaver away at school.这些年轻人在学校里用功苦读。When she first started working she was a real eager beaver.她刚开始工作时，干得非常卖力。 |