河外星系 hé wài xīng xì 🔊 extragalactic star system + Keep this word Meanings hé wài xīng xì extragalactic star systemgalaxy (not including our Galaxy) Its characters 河hériver (CL:條|条[tiao2],道[dao4])HSK 3外wàioutsideHSK 1星xīngstar系xìto connectHSK 5