音标发音英式音标 [ˈkɑː.bən ˌkred.ɪts]美式音标 [ˈkɑːr.bən ˌkred.ɪts]英式发音 美式发音 基本解释碳额度。同根派生 英英字典剑桥英英字典 units used in a system that allows organizations the right to produce a certain amount of carbon, and allows them to buy or sell those rights