我从旅行中买了一张明信片。
wǒ cóng lǚxíng zhōng mǎi le yīzhāng míngxìnpiàn 。
I bought a postcard from my trip.
请给我你的地址,我要寄明信片给你。
qǐng gěi wǒ nǐde dìzhǐ , wǒyào jì míngxìnpiàn gěi nǐ 。
Please give me your address so I can send you a postcard.
她收到了朋友寄来的明信片。
tā shōudào le péngyǒu jì lái de míngxìnpiàn 。
She received a postcard sent by her friend.