播放速度
例句數量
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形容詞 即席的, 當場的
同義字詞 ad hoc,ad-lib,extemporaneous,extemporary,impromptu,improvisational,improvised,off-the-cuff,offhand,offhanded,snap,spur-of-the-moment,unconsidered,unplanned,unpremeditated,unprepared,unrehearsed,unstudied
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