onto

形容词 adj. 介词 prep.
中文释义
英 /ˈɒn.tuː/|/ˈɒn.tə/|/ˈɒn.tʊ/    美 /ˈɑn.tu/|/ˈɑn.tə/|/ˈɑn.tʊ/

英文释义

形容词 adj.
  1. Attaining each of the values in its codomain; having its image equal to its codomain. not-comparable
    — Considered as a function on the real numbers, the exponential function is not onto, as it never takes on values less than or equal to zero.
介词 prep.
  1. Arriving upon or on top of (speaking of a physical or metaphorical movement).
    — My cat just jumped onto the keyboard.
  2. Aware of. informal
    — The thought-police were onto my plans of world domination.
  3. Being an onto function with a codomain of (see below).
    — The exponential function maps the set of real numbers onto the set of positive real numbers.

词形变化

on to alternative,Australia,Canada,Commonwealth,Ireland on to alternative,Australia,Canada,Commonwealth,Ireland

词汇关系

衍生词
back onto be onto be onto nothing be onto something call onto the carpet clock onto come onto cop onto cotton onto crack onto freeze onto get onto glomb onto glom onto glomp onto hang onto hang onto your hat hold onto hold onto your hat jump onto latch onto log onto map onto mitten onto onto function put onto set onto sign onto stumble onto thereonto whereonto wig onto

词源

词源 1
From on + to, after into. Compare Saterland Frisian antou (“up to”).
词源 2
From on + to, after into. Compare Saterland Frisian antou (“up to”).
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