YOU SAID:

They floated on the raft to sun their white backs

INTO JAPANESE

彼らは白い背中に日光浴をするためにいかだに浮かんだ

BACK INTO ENGLISH

They floated on a raft to sunbathe on their white backs

INTO JAPANESE

彼らは白い背中に日光浴をするためにいかだに浮かんだ

BACK INTO ENGLISH

They floated on a raft to sunbathe on their white backs