обменяться означает в английский

exchange [exchanged, exchanging, exchanges]▼(To trade or barter)
verb
[UK: ɪkˈs.tʃeɪndʒ] [US: ɪks.ˈtʃeɪndʒ]

swap [swapped, swapping, swaps]▼(exchange or give (something) in exchange for)
verb
[UK: swɒp] [US: ˈswɑːp]