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:hxen18:
:hxen18:
hello，everyone！I am so glad to join in this part.I am a postgraduate student.I have post cet-6 for many years,but i want to improve it which is very important for my research.i wlsh i can meet many friend here through HXEN!Support it anytime!thanks!:hxen18:[ 本帖最后由 dqg28 于 2008 ...
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说十天内词汇量突破20000 