副词
中文翻译：以鱼为研究对象地
同义词：
['ethnographically', 'zoologically']
例句：
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1.The study of fish is an important area of research in the field of ichthyology.
在鱼类研究领域，研究工作是重要的。
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2.The ichthyologist studied the behavior of different species of fish.
这位鱼类学家研究了不同种类鱼类的行为。
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3. The ichthyologist discovered that some species of fish are more adaptable to their environment than others.
这位鱼类学家发现，有些鱼类比其它鱼类更能适应其环境。