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单词 test-tube
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈtest ˌtube, n. [countable]
  1. Chemistrya hollow tube of thin glass with one end closed, used to hold chemicals, specimens, etc., in laboratory experiments.

WordReference Random House Unabridged Dictionary of American English © 2024
test tube′, 
  1. a hollow cylinder of thin glass with one end closed, used in chemical and biological experimentation and analysis.
  • 1840–50

test-tube  (testto̅o̅b′, -tyo̅o̅b′),USA pronunciation adj. 
  1. produced in or as if in a test tube;
    synthetic or experimental.
  • 1885–90

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更新时间:2024/9/21 0:44:55