英语词汇“discretionary”的释义、区别辨析及用法例句-英语同义词词典

单词	discretionary
例句	discretionary adjective •a discretionary service charge:optional, voluntary, at one's discretion, elective. ANT compulsory.
随便看	swing swipe informal swirl switch swivel swollen swoop sword sybarite sybaritic sycophant sycophantic syllabus symbol symbolic symbolize symmetrical symmetry sympathetic sympathize sympathizer sympathy symptom symptomatic syndrome

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