Deidre is fluent in both Mandarin and English. Deidre's ability is referred to as "Bilingual".
"Bilingual" is a someone who can speak in two languages. A person who speaks more than two languages is called 'multilingual'.
Bilingualism strengthens cognitive abilities as bilingual persons are supposed be more creative and flexible. They can be more open-minded, and they also find it easier to focus on a variety of tasks simultaneously. And being able to speak two languages helps in knowing the culture and tradition of the other languages.
Bilingual education is also a new model in history of learning. Bilingual education involves teaching academic content in two languages, in a native and secondary language.
To learn more about Bilingualism, here
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