45 words
| Word | Pinyin | Definition |
|---|---|---|
| 互相 | hù xiāng | each other |
| 信 | xìn | letter |
| 信封 | xìn fēng | envelope |
| 信箱 | xìn xiāng | mailbox |
| 光盘 | guāng pán | compact disc |
| 克 | kè | to be able to |
| 努力 | nǔ lì | great effort |
| 包裹 | bāo guǒ | to wrap up |
| 区 | Oū | surname Ou |
| 问题 | wèn tí | question |
| 单子 | dān zi | list of items |
| 回执 | huí zhí | receipt (written acknowledgement of receipt of an item) |
| 回答 | huí dá | to reply |
| 地址 | dì zhǐ | address |
| 报纸 | bào zhǐ | newspaper |
| 字 | zì | letter |
| 学期 | xué qī | term |
| 寄 | jì | to send |
| 写 | xiě | to write |
| 封 | Fēng | surname Feng |
| 帮助 | bāng zhù | assistance |
| 平信 | píng xìn | ordinary mail (as opposed to air mail etc) |
| 挂号信 | guà hào xìn | registered letter |
| 收 | shōu | to receive |
| 普通 | pǔ tōng | common |
| 海淀区 | Hǎi diàn qū | |
| 特快专递 | tè kuài zhuān dì | express mail |
| 生活 | shēng huó | life |
| 称 | chēng | to weigh |
| 紧张 | jǐn zhāng | nervous |
| 编码 | biān mǎ | to code |
| 听懂 | tīng dǒng | to understand (on hearing) |
| 航空信 | háng kōng xìn | airmail letter |
| 语法 | yǔ fǎ | grammar |
| 讲课 | jiǎng kè | teach |
| 贴 | tiē | to stick |
| 超重 | chāo zhòng | overweight (baggage, freight) |
| 进步 | jìn bù | progress |
| 邮政 | yóu zhèng | postal service |
| 邮票 | yóu piào | (postage) stamp |
| 邮费 | yóu fèi | postage |
| 杂志 | zá zhì | magazine |
| 音乐 | yīn yuè | music |
| 份 | fèn | part |
| 保价 | bǎo jià | （value)insured |