互補 Save Sign in to save words Simplified: 互补 On the HSK 7-9 vocabulary list, at CEFR level C2. hùbǔ ㄏㄨˋ ㄅㄨˇ complementary to complement each other Character by character 互(hù)mutual 補(bǔ)repair A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT