In test tubes, that looks like two grains of salt.

在管中看起来是两粒盐。

(1)Put some iron nails at the bottom of a test tube.

(1)把几枚铁钉放入管底部。

Half-fill a test tube with water and add two or three clean nails.

(1)在管中注入一半水，加入 2 到 3 枚干净的铁钉。

Of course, foodies don't run experiments in test tubes or petri dishes.

当然，美食家不会在管或培养皿中进行实验。

Bottom line: " You can't scream a cure out of a test tube."

“你不可能管大叫得到解药。”

The researchers grew the bacteria together in a test tube, in the presence of both antibiotics.

研究人员在一个实验管两种抗生素存在的情况下将这两种菌株同时培养。

These concepts are as vital to epidemiologists as microscopes and test tubes are to other infectious disease scientists.

这些概念于流行病学家来，显微镜和管于其他传染病科学家一样重要。

By the time he was in graduate school, Jacob had evolved from playing with test tubes to manipulating molecules.

但到 Jacob 上研究生时，他已经从玩管进步到操纵分子了。

But since researchers saw this in test tubes, they had no idea what this meant for immunity in real life.

但由于研究人员是在管中看到的这种细胞，他们不知道它真实生命的免疫力的意义。

Testing for coagulase is done by transferring a colony of the suspected bacteria into a test tube containing fibrinogen-rich plasma.

通过将待测细菌的菌落转移到装有富含纤维蛋白原血浆的管中可凝固酶进行测。

Out here we might have beer cans and aprons instead of test tubes and lab coats, but BBQ is SCIENCE, y'all.

在这里，我们可能有啤酒罐和围裙，而不是管和实验室外套，但是烧烤是科学，各位。

It placed its core in a test tube.

它将其核心放入管中。

Trying to get every last bit of the guts into a test tube.

图将最后一点内脏放入管中。

They basically put these E.coli in a test tube.

他们基本上将这些大肠杆菌放入管中。

Though he never held a test tube in his hand, Jules Verne became a stimulus and inspiration to the scientist in the laboratory.

尽管儒勒·凡尔纳从未碰过管，他却给实验室里的科学家们带来了鼓励和灵感。

854. Two drops of the solution were heated in a test tube.

两滴溶液在管中加热。

A " test tube" (two words) is a small glass container;it is round, like a tube.

“管”（两个字）是一个小玻璃容器，它是圆的，一个管子。

Test tubes would break, a frazzled TA tried to guide 30 students at the same time.

管会破裂，一个疲惫不堪的助教图同时指导 30 名学生。

About one year ago, he got this new piece of tech which is like a test tube.

大约一年前， 他得到了这种管一样的新技术。

Finally, he poured a few drops of the cocoa into a test tube, sealing it up carefully.

最后，他将几滴可可倒入管中， 小心地密封起来。