exchange
⇒ 毕业前,同学们互相交换礼物。
(Bìyè qián, tóngxuémen hùxiāng jiāohuàn lǐwù.) Before graduation, students exchange presents with each other.
⇒ 我和她交换了座位。
(Wǒ hé tā jiāohuànle zuòwèi.) I swapped my seat with her.
⇒ 农民们正在市场上交换农产品。
(Nóngmínmen zhèngzài shìchǎng shang jiāohuàn nóngchǎnpǐn.) The farmers trade agricultural produce in the market.