于俊伟 Profile

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Native Language:

Mandarin

Is learning:

English

Country:

United States of America

Can help with:

我需要学习英语，帮我提高，我可以提供中文教学，我的母语很好，可以帮助你

Needs help with with: 中文是我的母语，我的母语非常好，可以帮助到你

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