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progressive

英/pɹəɡɹˈɛsɪv/
美/pɹəˈɡɹɛsɪv/
01n.

改革论者, 进步论者

a tense of verbs used in describing action that is on-going

02adj.

前进的, 累进的, 进步的

favoring or promoting progress; (of taxes) adjusted so that the rate increases as the amount of income increases