英语听力论坛 » English Corner » Why does a pencil seem heavy when you write with it for a long time?

xiaomeixin 发表于 2011-7-10 12:39

Why does a pencil seem heavy when you write with it for a long time?

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luqingling2599 发表于 2011-7-14 22:19

you are use the pencil everyday, it is become your best friend,maybe deeply in your mind.

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