名词
中文翻译：直桨
同义词：
['straight oar', 'straight paddle']
例句：
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1.The boat had a long straight oar in the middle of the river.
船上有一条长直桨在河中间。
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2.He rowed with his long straight oar to reach the other side of the lake.
他用他的长直桨划船到达湖的另一边。
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3.The sailor used a straight oar to push the boat forward.
水手用直桨推动船前进。