test tube

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Most recently, those crazy scientists have even recreated a 'supernova' in a test tube!
最近，那些瘋狂的科學(xué)家們甚至在試管里搞出一個“超新星”！
Since the birth of the first " test tube baby" in 1978, more than three million children have been born with the help of reproductive technology.
自1978年首例試管嬰兒出生以來，已有超過三百萬的兒童在這種生殖技術(shù)的輔助下出生。
It is one thing to manipulate cells in a test tube, quite another to treat people.
用試管做細(xì)胞實驗是一回事，用于人身上又是另一回事了。

Let's imagine, as he says, human beings as if they were in a sort of laboratory test tube.
讓我們設(shè)想,人類就像生活在實驗室的試管里。
耶魯公開課 - 政治哲學(xué)導(dǎo)論課程節(jié)選
Here's a way that you can do it in a test tube without using any cells by this process called Polymerase Chain Reaction.
但有一個方法可以讓你在試管中完成,不用細(xì)胞,這個方法叫聚合酶鏈?zhǔn)椒磻?yīng)
耶魯公開課 - 生物醫(yī)學(xué)工程探索課程節(jié)選
In fact you do not have to kill any animals for this kind of research because we do everything in a test tube.
其實，做這種研究,你根本用不著殺害任何動物,因為試驗都是在試管中進(jìn)行的。
斯坦福公開課 - 7個顛覆你思想的演講課程節(jié)選

Could something as dumb and as mechanical as a robotic test tube compete with old-fashioned ingenuity?
FORBES: A hail of silver bullets

a small glass tube with one closed and rounded end, used in scientific experiments

A test tube is a small tube-shaped container made from glass. Test tubes are used in laboratories.