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	friendliness friendly friendship fright frighten frightening frightful frigid frill frilly fringe fringe benefit frippery frisk frisky fritter frivolity frivolous frizzle frizzy frog frolic frolicsome front frontier

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