test tube

IPA/ˈtest tjuːb/
IPA/ˈtest tuːb/

test tube — 名詞

1. a glass container shaped like a narrow tube, open at the top and sealed at the b

1.名詞B1
釋義

試管

一端封閉的實驗用玻璃管

a glass container shaped like a narrow tube, open at the top and sealed at the bottom, that scientists use to hold, mix, or heat small amounts of liquid during experiments

例句

Ramón measured exactly ten millilitres into the test tube with a pipette.

Ramón 用滴管準確地量了十毫升液體到試管裡。

measurement collocation: [number] [unit] into a test tube

Harper held the test tube over a flame and watched the liquid change colour.

Harper 把試管放在火焰上加熱，看著液體變了顏色。

test tube + heat/flame in lab experiments

同義詞
  • lab tube

    informal, used in the same laboratory contexts but less precise

  • culture tube

    a specific type of test tube designed for growing bacteria or cells

文法句型

a test tube

test tubes (plural)

用法筆記

Always written as two separate words: 'test tube', not 'testtube' or 'test-tube' (though the hyphenated form appears as an adjective in phrases like 'test-tube baby').

常見錯誤

❌She poured the liquid into a testtube.
✅She poured the liquid into a test tube.
💡The word is always written as two separate words.