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1·She has been an English reacher for five years.

她当英语老师已经5年了。

2·The paper attempts to narrate Zheng s origin of thoughts of poetry and reacher the art characteristic of Zheng s works.

本文从探究郑氏诗歌渊源入手，进而深入诗歌内部，分析其中蕴涵的主要艺术特质，追索从中折射的诗人心态特征。