| 例句 |
extemporaneousadjective made or done without previous thought or preparationcaught by surprise, I had to make an extemporaneous speech at the awards banquet ad hoc, ad-lib, down and dirty, extemporary, extempore, impromptu, improvisational, improvised, offhand, offhanded, off-the-cuff, snap, spur-of-the-moment, unconsidered, unplanned, unpremeditated, unprepared, unrehearsed, unstudied unscriptedautomatic, impulsive, instinctive, involuntary, spontaneouscasual, cursive, informal, unauthorizedhalf-baked, half-cocked, ill-advised considered, planned, premeditated, premeditative, prepared, rehearsed deliberate, intended, intentional in 1673 |