As the increase of age, the use of mother tongue to deepen its curing process, therefore, to eliminate the interference of mother tongue will be more difficult, affected the speed of learning English.

随着年龄的增大，母语的使用加深了其固化的过程，因此，消除母语的干扰会更加困难，影响了英语学习的速度。

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So as to prove the negative transfer of mother tongue, the author provides some Suggestions to reduce the interference at the least degree.

本文作者试图证明母语在语音学习中的负迁移作用并且提出一些建议来降低这种迁移作用。

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In mother tongue interference, errors at syntactic level take the highest percentage.

母语迁移中，句法层次上的错误迁移最多。

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