形容词
中文翻译：鸟的
同义词：
['avian', 'aerial', 'bird-like']
例句：
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1.The ornithologist was studying the behavior of birds in their natural habitat.
这位鸟类学家正在研究鸟类在自然环境中的行为。
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2. The ornithologist found that many species were declining due to habitat loss.
这位鸟类学家发现许多物种由于栖息地丧失而数量减少。
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3.The ornithologist observed that some birds had adapted to human presence by singing more frequently.
这位鸟类学家观察到一些鸟类通过更频繁地鸣叫来适应人类的存在。