We used several test tubes in the experiment.

我们在实验中使用了多个试管。

Please label all the test tubes.

请把所有的试管都帖上标签。

We put chemicals in test tubes in our chemistry class.

我们上化学课时把化学药品放进试管里。

Six more test-tubes of spermatozoa were upset. My father!

又有六支精子管打翻了。我的爸爸！

He demonstrated the principles with chemicals and test tubes.

他借助化学药品和试管讲解了这些原理.

Suggest the possibility of reproducing dinosaurs in test tubes

让人们觉得，在试管里繁殖恐龙是可能的

He demonstrated the principles to his students with chemicals and test tubes.

他用化学药品和试管给学生演示这些原理.

The luminometer accepts samples in 12 mm diameter test tubes with lengths ranging from 45 to 100 mm and 15 mL microcentrifuge tubes.

光度计使用45～100纳米的波长范围，可兼容12毫米直径的测试管和15毫升的微量离心管。

In chemical experiments, circumfluence will lead to the explosion of test tubes.

在化学实验中, 回流会造成试管炸裂.

With a sweeping gesture he indicated the rows of microscopes, the test-tubes, the incubators.

他挥了挥手，指着一排排的显微镜、试管和孵化器。