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单词 rudimentary
释义

WordReference Random House Learner's Dictionary of American English © 2024
ru•di•men•ta•ry /ˌrudəˈmɛntəri/USA pronunciation  adj. 
    1. of or relating to rudiments:a rudimentary knowledge of geometry.

WordReference Random House Unabridged Dictionary of American English © 2024
ru•di•men•ta•ry  (ro̅o̅′də men′tə rē, -trē),USA pronunciation adj. 
  1. pertaining to rudiments or first principles; elementary:a rudimentary knowledge of geometry.
  2. Developmental Biologyof the nature of a rudiment;
    undeveloped or vestigial.
  3. primitive.
Also, ru′di•men′tal. 
  • rudiment + -ary 1830–40
ru•di•men•ta•ri•ly  (ro̅o̅′də men târ′ə lē, -men′tər ə lē),USA pronunciation adv.  ru′di•men′ta•ri•ness, n. 
    • 1.See corresponding entry in Unabridged fundamental, initial. See elementary. 
    • 2.See corresponding entry in Unabridged embryonic.
    • 1.See corresponding entry in Unabridged advanced.
    • 2.See corresponding entry in Unabridged mature.

Collins Concise English Dictionary © HarperCollins Publishers::
rudimentary /ˌruːdɪˈmɛntərɪ/, (less commonly)rudimental adj
  1. basic; fundamental; not elaborated or perfected
  2. incompletely developed; vestigial: rudimentary leaves

ˌrudiˈmentarily, rare ˌrudiˈmentally adv
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更新时间：2025/7/25 17:30:42