名词
中文翻译：鹳
同义词：
['crow', 'egret', 'heron']
例句：
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1. The raven perched on the tree was watching for prey.
那只栖息在树上的乌鸦正在寻找猎物。
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2. The raven flew over the lake and landed on a nearby branch.
那只乌鸦飞过湖面，落在附近的树枝上。
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3. The raven's call echoed through the forest.
那只乌鸦的叫声在森林中回荡。