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首页英语词典discretionarydiscretionary考试真题

discretionary

英 [dɪ'skreʃ(ə)n(ə)rɪ] 美[dɪ'skrɛʃə'nɛri]

英英释义考试真题实用场景例句

adj. 任意的；自由决定的

考试真题

In the 1960s, the United States devoted nearly 17% of discretionary spending to research and development, reaping decades of economic growth.