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  1. Oxford American Dictionary

    test tube

    • IPA[ˈtes(t) ˌto͞ob]

    美式

    • n.
      a thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments.；denoting things produced or processes performed in a laboratory

    • noun: test tube, plural noun: test tubes

    • 釋義

    名詞

    • 1. a thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments.
    • ▪ denoting things produced or processes performed in a laboratory new forms of test-tube life