up-

短语
FREQ #16320

pref. 向上, 在上

释义与例句

affix
  1. 1.

    Used to indicate increase.

    Over time the engine's power was uprated.

  2. 2.

    Used to indicate higher position or direction, literally or figuratively.

    The uptake of tickets increased dramatically after the favorable review.

词源

From Middle English up-, from Old English ūp- (“up-”), from ūp (“up, from above”). Cognate with Dutch op- (“up-”), German auf- (“up-”). More at up.

来源：wiktionary