YOU SAID:

i saw a pair of otter wearing bikinis

INTO JAPANESE

私はビキニを着てカワウソのペアを見た

BACK INTO ENGLISH

I wore a bikini and saw a pair of otters

INTO JAPANESE

私はビキニを着ていてカワウソのペアを見ました

BACK INTO ENGLISH

I wore a bikini and saw a pair of otters