Tom捡到一个文具盒英文：Tom picked up a pencil case文具盒英文：writing case ；pencil case；pencil - boxThere is a pen and two rulers in the pencil - box . 在文具盒里有一支钢笔和两把尺子.Can I swap your pencil box for my pencil? 我能用我的铅笔换你的文具盒吗 ?There is a book and an old pencil case on the desk. 桌上有一本书和一个旧文具盒.