防空 fáng kōng 🔊 anti-aircraft defense + Review this word Meanings fáng kōng anti-aircraft defense Its characters 防fángto protectHSK 5空kōngemptyHSK 4 Words with 防空 防空洞 fáng kōng dòng air raid shelter; bomb shelter 防空避难 fáng kōng bì nàn evacuation to an air-raid shelter