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

• The researchers demonstrated this using DNA in a test tube.
  研究人员在试管中演示了DNA编辑这一操作过程。
• 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。
• 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。
• 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。
• 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
• 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。
• He held the test tube in his hand thoughtfully.
  他沉思地把试管拿在手里。
• 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。
• He added a small amount of water into the test tube.
  他往试管中加入了少量的水。
• The test tube is closed at one end with a hydraulic seal.
  接管式防水密封接头试管的一端为水封所封闭。