上确界 Save Create a free account to save words Traditional (Taiwan): 上確界 shàngquèjiè ㄕㄤˋ ㄑㄩㄝˋ ㄐㄧㄝˋ 男 女 supremum (math.) least upper bound Character by character 上(shàng)up 确(què)authenticated 界(jiè)boundary 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