充要條件 Save Create a free account to save words Simplified: 充要条件 chōngyàotiáojiàn ㄔㄨㄥ ㄧㄠˋ ㄊㄧㄠˊ ㄐㄧㄢˋ 男 女 necessary and sufficient condition Character by character 充(chōng)sufficient 要(yào)want 條(tiáo)strip 件(jiàn)item Sign up for a free account to save words and review them A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0