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单词 substrate
释义

WordReference Random House Learner's Dictionary of American English © 2024
sub•strate /ˈsʌbstreɪt/USA pronunciation  n. 
    1. substratum.
    See -strat-.
WordReference Random House Unabridged Dictionary of American English © 2024
sub•strate  (substrāt),USA pronunciation n. 
  1. Ecology, Laboratorya substratum.
  2. Biochemistrythe substance acted upon by an enzyme.
  3. Electronicsa supporting material on which a circuit is formed or fabricated.
  • variant of substratum 1570–80

Collins Concise English Dictionary © HarperCollins Publishers::
substrate /ˈsʌbstreɪt/ n
  1. the substance upon which an enzyme acts
  2. another word for substratum
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