单词
discretionary
英 [dɪ'skreʃ(ə)n(ə)rɪ] 美[dɪ'skrɛʃə'nɛri]
基本信息
英英释义 考试真题 实用场景例句
近义词option off
  • adj. 任意的；自由决定的
GRE低频词畅通词汇

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.

2016年12月六级真题（第二套）阅读 Section A

discretionary相关单词
discretionary
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