approximate

approximate
adjective
  1. close to the actual, but not completely accurate or exact
    近似的，接近但不完全正确的
    the calculations are very approximate.
    计算结果与实际数字很接近。
verb
  1. [no obj.]come close or be similar to something in quality, nature, or quantity
    （质量、性质或数量上）接近，相似
    a leasing agreement approximating to ownership.
    差不多等于获得了所有权的租赁协议。
    [with obj.]reality can be approximated by computational techniques.
    客观事实可用计算机技术计算得八九不离十。
    ■[with obj.]estimate or calculate (a quantity) fairly accurately
    相当准确地估算（或计算）
    I had to approximate the weight of my horse.
    我得准确地估算我的马的体重。
派生
approximately
adverb
approximation
noun
语源
  1. late Middle English (in the adjectival sense 'close, similar': from late Latin approximatus, past participle of approximare, from ad- 'to' + proximus 'very near'. The verb (originally 'meaning bring close') arose in the mid 17th cent.; the current adjectival sense dates from the early 19th cent
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