| 单词 | test tube |
| 释义 | test tube noun[C] uk/ˈtest ˌtjuːb/us/ˈtest ˌtuːb/asmallglasstubewith oneclosedandroundedend, used inscientificexperiments 试管 Erik Dreyer/The Image Bank/GettyImages Laboratory equipment
test tube| American Dictionarytest tube noun[C] us/ˈtest ˌtub/science asmallglasstube with oneclosedend that is used in somescientificexperiments Examplesoftest tubetest tube Thetesttubewas allowed to stand for 7 min to allow actively motile spermatozoa to swim up into the medium. From theCambridge English Corpus These were placed in a plastictesttube, at the base of which six 1-mm diameter holes had been bored. From theCambridge English Corpus This was further confounded by the mixtures of biotypes present; therefore, thetesttubemethod is not suitable for detecting biotypes reliably. From theCambridge English Corpus The course has created an opportunity to increase the public's awareness and understanding of astrobiology beyond the traditional 'testtubeand textbook' methods. From theCambridge English Corpus These judges applied this tool in order to hold together disintegrating families, a task better served by human judgment than by atesttube. From theCambridge English Corpus Immediately after vortexing, a fibrous substance appeared in thetesttube. From theCambridge English Corpus The fluid was squeezed from the swab into the stomacher bag or poured into a steriletesttube. From theCambridge English Corpus A fifthtesttubewas prepared for the trypsin standard by adding 2 ml of distilled water. From theCambridge English Corpus However, intesttubecultures of d4-662, cells that were indistinguishable from wild-type cells in behavioural phenotype were often observed. From theCambridge English Corpus A hand-held light probe was inserted into the fluid in eachtesttube, and the output was sampled by computer. From theCambridge English Corpus Needless to say, these are very small amounts - no more than a thin smear in atesttube. From theCambridge English Corpus This level of nervous system function has been difficult to investigate - impossible to capture in atesttube, and until recently nearly impenetrable from the organismal level. From theCambridge English Corpus Thetesttubein all walks of life has been apt to prove deceptive so far as the results obtained from it are concerned. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 I had forgotten, but have remembered that, far from being on the wrong side of thetesttube, he is on the right side. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 They were creating embryos to see the conditions that were necessary for them to survive and grow in atesttube. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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