improviso

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Not prepared beforehand; unpremeditated; extemporaneous. not-comparable,obsolete
    — a. 1784, Samuel Johnson, "Improviso Translation of the following lines of M. Benserade A Son Lit"

词源

From Latin improvisus (“unforeseen”); compare Italian improvviso.
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