I sat behind you in chem lab.

上化学实验课时我坐在你后面。

Excuse me? Is this a chem lab?

抱歉 这里是化学实验室吗？

How fast can you get to the chem lab?

你多快能赶到化学实验室？

" Al kimia" , in turn, is rooted in the Greek word, " chem" , passed down from the ancient Egyptians.

反过来，“Al kimia”起源于古埃及人传下来的希腊语“chem” 。

Oh, we studied for a chem test.

我们在复习化学考试。

Well, then, just let me help. - You failed chem.

这样吧 我帮你学好了 -你化学挂了。

Why don't we go upstairs to the chem lab?

要不我们到楼上的化学实验室去吧？

Organic chem-- more light, more oxidation.

有机化学原理 光照越足 氧化越快。

Yeah, and then chem and history next week, and Spanish after that.

是的 然后下礼拜考化学和历史，之后还有西班牙语。

But you don't need to be a chem major to know that.

不需要是化学系学生就可以知道。

Hanna spent all of chem class drawing pictures of me in a pointy hat and a wart on my nose.

汉娜一整节化学课都在画我戴着一个尖顶帽子还在我的鼻子上点了痦子。

He says it was for chem lab, but Noel was on the phone with someone all night at Caleb's birthday party.

他说是跟化学实验室有关，但凯勒的生日派对上诺埃尔一整晚都在打电话。

Well, you'll be happy to hear that in grid section 14-28, the particles were predominantly coarse...but in 29, they're much finer...And they should be ideal for chem analysis.

你会很高兴知道坐标方格 14-28 区里颗粒大部分都比较粗糙，但 29 区的就精细多了，用它们做化学分析应该很理想。