HSK 7-9
兑换
duìhuàn动
to convert; to exchange
游客在机场兑换当地货币。
Yóu kè zài jī chǎng duì huàn dāng dì huò bì.
The visitor exchanged money for local currency at the airport.
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Appears across levels (7-9) in the HSK 3.0 word list.