Tāmen shì zhìtóng dàohé de lǚbàn, yīqǐ zǒubiàn le shìjiè.
They were like-minded travel companions who journeyed around the world together.
Tips
usage
侣 is a classical character rarely used alone in modern Chinese. It mainly appears in compounds: 伴侣 (bànlǚ, partner/spouse), 情侣 (qínglǚ, romantic couple).