名词书写纸，信纸; 信笺

1. 信纸：by return of post立即回信 | writing paper信纸 | envelope信封

2. 书写纸：writing paper with letterhead 印有抬头的信纸 | writing paper 书写纸 | writing set 文具

3. 书写纸;信纸;便条纸：write 写 (4A8) | writing paper 书写纸;信纸;便条纸 (6B7) | wrong 错误的 (4B2)

4. 售货员：envelope n.信封 | writing paper 售货员 | size n.尺寸,尺码,大小

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1. 信纸
Writing paper is paper for writing letters on. It is usually of good, smooth quality.

noun

1. paper material made into thin sheets that are sized to take ink
used for writing correspondence and manuscripts