形容词
中文翻译：双语的
同义词：
['bilingual', 'bilingualism', 'bilinguality']
例句：
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1. The teacher is fluent in both English and Spanish.
这位老师英语和西班牙语都很流利。
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2. Many students are studying a second language to become bilingual.
许多学生学习第二语言以成为双语者。
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3. The book contains information in both languages for easy understanding.
这本书用两种语言提供了易于理解的信息。