彼らはお互いに座席を交換した。

Meaning
they exchanged seats with each other

Vocab used in this sentence

彼ら
they, their, them
a, the, is, am, are, will
お互い
each other, each, mutual, both
in, to, on, at, into, upon
座席
seat, seating, place, chair
o, the, to, wo
交換
exchange, replace, exchanging, swap, clearing, barter, interchange, substitution, reciprocity
and, shi, four, death
the, was, ta, da, other

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