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

• Using the same mixture the body uses? cytokines and growth factors? he also gets the receptors expressed on the surface of human cells in a test tube.
  在测试管中他又模仿体内反应，应用细胞因子和生长因子的混合物使得受体在人细胞表面表达。
• 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 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。
• 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。
• He never held a test tube in his hand.
  他手里从没拿过试管。
• Place the test tube over the flame.
  把试管放在火上。
• The utility model aims at providing a culture box for sperm, which comprises a box body and a box cover which are used to place a flat-bottomed glass test tube and the flat-bottomed glass test tube.
  本实用新型旨在提出一种精液培养盒，包括平底玻璃试管和放置试管的盒体及盒盖。
• We cannot possibly reproduce in a test tube or a computer model all the complex reactions of the body to a drug or a disease.
  我们不可能在试管中或电脑模型里复制出身体对疾病或芗的所有复杂反应。
• It is one thing to manipulate cells in a test tube, quite another to treat people.
  用试管做细胞实验是一回事，用于人身上又是另一回事了。
• They'd created a tumor in a test tube.
  他们在一支试管里创造了一个肿瘤。