test tube是什么意思

双语用例

• The test tube was allowed to stand for 7 min to allow actively motile spermatozoa to swim up into the medium.

• These were placed in a plastic test tube, at the base of which six 1-mm diameter holes had been bored.

• This was further confounded by the mixtures of biotypes present; therefore, the test tube method is not suitable for detecting biotypes reliably.

• The course has created an opportunity to increase the public's awareness and understanding of astrobiology beyond the traditional 'test tube and textbook' methods.

• These judges applied this tool in order to hold together disintegrating families, a task better served by human judgment than by a test tube.

• Immediately after vortexing, a fibrous substance appeared in the test tube.

• The fluid was squeezed from the swab into the stomacher bag or poured into a sterile test tube.

• A fifth test tube was prepared for the trypsin standard by adding 2 ml of distilled water.