Japanese phrase
___を両替したいです。 ___ o ryō gae shi ta i de su
Meaning
I'd like to exchange ___.
When to use it
Politely tells staff which currency is to be exchanged. It is a straightforward request used in practical travel situations such as banks and airports.
Example dialogue
どの通貨を両替しますか？ do no tsū ka o ryō gae shi ma su ka
Which currency would you like to exchange?
米ドルを両替したいです。 bei do ru o ryō gae shi ta i de su
I'd like to exchange US dollars.