New words：

rowboat ['rəubəut] n. 划艇；小船
rowing boat [ˈrəʊɪŋ bəʊt] n. 划艇

Sample Sentences：

He uses a rowboat to go fishing on the lake.
He climbed into the rowing boat and took the oars.
They rented a rowboat and spent the afternoon on the lake.

oar [ɔ:r]n. 桨；船桨

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