HSK 5 · noun · Practice
信封
envelope
信封上写着收信人的地址。
Xìnfēng shang xiězhe shōuxìnrén de dìzhǐ.
The recipient's address is written on the envelope.
他把邮票贴在信封上。
Tā bǎ yóupiào tiē zài xìnfēng shang.
He stuck the stamp on the envelope.
他把信塞进了信封。
Tā bǎ xìn sāi jìnle xìnfēng.
He stuffed the letter into the envelope.
请在信封上写下邮编。
Qǐng zài xìnfēng shàng xiě xià yóubiān。
Please write the postal code on the envelope.