您要查找的是不是：
- They're microscopic tubes made of a remarkable form of soot and have chemical properties that make them stronger than steel and lighter than plastic. 它们是显微结构的管子，由一种著名形式的烟炭构成，它们所具有的化学特性使其比钢硬、比塑料轻。
- The microscope magnified the object 100 times. 这台显微镜将物体放大了100倍。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- I must buy a tube of toothpaste. 我必须买一支牙膏。
- This tube is flexible but tough. 这管子柔软但很坚固。
- A glass tube for enclosing the flame of a lamp. 玻璃灯罩围住灯的火焰的玻璃管
- A Microscope will reveal much that cannot be seen with the naked eye. 显微镜可以看到许多肉眼看不见的东西。
- Apply solution to the tube and allow to become tacky. 在内胎上涂抹胶水并让它发粘。
- He stained some slides and looked at them under the microscope. 他给几张载玻片上染了色，然后放到显微镜下观察。
- The tube was sealed off by fusing the material together. 管子以熔合管端的方法封闭起来了。
- He slipped the telescope into a steel tube. 他将望远镜收进一根钢管内。
- The tube is sealed at both ends. 这管子两端是密封的。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- Suck on the tube to draw up the water. 用管子把水吸上来。
- The microscope has a magnification of 1000. 这台显微镜有放大1000倍的能力。
- She bought a tube of toothpaste. 她买了一管牙膏。
- He applied his eye to the microscope. 他把眼睛贴近显微镜。
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
- The slightest movement will defocus the microscope. 最轻微的运动都会使显微镜散焦。
