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。
• The glass test tube is cone-shaped, and the right and the left pipe wall are provided with scale.
  在锥形内壁与进沙口和排气口界面处有沙网。
• Small Test Tube and Stopper ( or jar with a lid).
  1小试管和塞子（或者带盖子的广口瓶）。
• Neural stem cells can now be coaxed to develop into motor neurons in a test tube.
  神经干细胞现在可以在试管慢慢的发育成为运动神经元。
• 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。
• He never held a test tube in his hand.
  他手里从没拿过试管。
• He held the test tube in his hand thoughtfully.
  他沉思地把试管拿在手里。
• CO2 concentration in different depth of the soil was studied using CO2 test tube method for one year in Luota, west Hunan province.
  采用CO2气体检测管法对湘西洛塔旱地不同深度土壤CO2浓度进行了一年的连续观测研究。
• In test tube experiments and in animal studies, the spice led to a noteworthy increase in the processing of glucose.
  在试管实验与动物研究中，这种香料导致葡萄糖的分解显著增强。
• In fact you do not have to kill any animals for this kind of research because we do everything in a test tube.
  其实，做这种研究，你根本用不着杀害任何动物，因为试验都是在试管中进行的。