吲哚 yǐn duǒ 🔊 indole C8H7N (heterocyclic organic… + Keep this word Meanings yǐn duǒ indole C8H7N (heterocyclic organic compound) (loanword) Its characters 吲yǐnused in 吲哚[yin3 duo3]哚duǒused in 吲哚[yin3 duo3]