test tube

英 [ˈtest tjuːb]

美 [ˈtest tuːb]

n.  试管

机械

Collins.1

牛津词典

noun

• 试管
  a small glass tube, closed at one end, that is used in scientific experiments

柯林斯词典

• 试管
  Atest tubeis a small tube-shaped container made from glass. Test tubes are used in laboratories.

英英释义

noun

• glass tube closed at one end

双语例句

• For example, if an open test tube with some water in the bottom is placed in a room in which the air is relatively dry, water vapor will diffuse out through the column of air in the test tube.
  例如，当一支底部有水的开口试管被放置在一间空气相对干燥的房间里，水蒸气就会通过试管中的空气柱散布出来。
• He added a small amount of water into the test tube.
  他往试管中加入了少量的水。
• The team identified a peptide that was five amino acids long and could block NEP in a test tube.
  他们鉴别出一种五个氨基酸组成的蛋白质，在试管试验中这种蛋白质可以阻滞NEP。
• Methods Test tube dilution method was used.
  方法试管稀释法。
• He held the test tube in his hand thoughtfully.
  他沉思地把试管拿在手里。
• Based on the experiment, the enumeration method of Bifidobacterium by rectangular test tube was put forward, according to the anaerobic specificity of double layer half solid culture.
  利用双层半固体培养基具有良好厌氧性的特性，在实验的基础上，提出了采用方形试管对双歧杆菌进行计数的方法，介绍了该方法的基本原理和操作步骤。
• Human DNA Dissolved in a test tube, the essence of life is a clear liquid.
  如果将其溶解于试管中，生命的本质是一种透明的液体。
• To the test tube, heating the liquid, but also for warm-up.
  给试管里的液体加热，也要进行预热。
• There is certainly no shortage of nutrients and phytochemicals that possess significant antioxidant activity in the test tube.
  我们不缺乏具有显著抗氧化活性的营养素和植物化学物质的试管实验。
• Effects of Different Transplanting Media on the Survival and Growth of Test Tube Plantlet of Dendrobium nobile
  不同移栽基质对金钗石斛试管苗成活和生长的影响