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

(1)把几枚铁钉放入底部。

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

(1)在注入一半水，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，美食家不会在或培养皿进行实验。

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

在看起来就像是两粒盐。

What do you put in the test tube?

你往里放了什么？

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两种抗生素都存在的情况下将这两种菌株同时培养。

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

“你不可能对着大叫就得到解药。”

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

这些概念对于流行病学家来说，就像显微镜和对于其他传染病学家一样。

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，他已经从玩进步到操纵分子了。

Set up your test tube rack

支好你的架。

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看到的这种细胞，他们不知道它对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可对凝固酶进行测。

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，而不是和实验室外套，但是烧烤是学，各位。

It placed its core in a test tube.

它将其核心放入。

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

图将最后一点内脏都放入。

Are we talking like a test tube?

我们在谈论像一样吗？

You will need a Bunsen burner and a test tube.

你需一个本生灯和一个。

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

两滴溶液在加热。

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

他们基本上将这些大肠杆菌放入。

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

会破裂，一个疲惫不堪的助教图同时指导 30 名学生。