instantly /ˈɪnstəntli/ adverb Learner's definition of INSTANTLY
: without delay : immediately立即;马上;瞬时 -
His voice is instantly recognizable.他的声音一听就能听出来。
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They instantly fell in love.他们立即坠入爱河。
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She was killed instantly when her car hit a tree.她开车撞到一棵树上,当即死亡。