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1. Oxford Dictionary

   test tube

   英式

   • 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

2. • 釋義

   n.

   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