As any high-school chemist knows, lithium and sodium are chemically similar.

任何一个高中化学家都知道，锂和钠化学性质很相似。

In fact, the flavorings could be chemically identical.

事实上化学性质都是一样。

Epigenetics is the study of how your environment can chemically modify your genes.

表遗传学是一门研究环境如何通过化学方式改变基因学科。

Our atmosphere would flip, chemically speaking, from a heavy concentration of oxygen to CO2.

从化学角度来说，我们大气层会从高浓度氧气变成二氧化碳。

They collected the trapped flies and then chemically analyzed their eggs.

他们将捕获苍蝇收集起来，后用化学方法分析蝇卵。

The hunt is therefore on for a non-toxic, non-controversial, chemically stable red.

因此人们正在寻找一种无毒、无争议且化学性稳定红色。

The salivary protein can be chemically synthesized; stored as a powder; and dissolved in water.

唾液蛋白质可以化学合成；以粉末形式储存；并溶于水。

And that's because alcohols chemically attack molecules that are fundamental to all cells.

这是因为酒是通过化学方式攻击对所有胞都很重要分子。

Really a very different environment, chemically, biologically, ecologically.

真是一个非常不同环境，无论是在化学上，生物上，还是在生态上。

In other words, a chemically deactivated one.

换句话说，是化学手段导致其失效。

Thousands of years of co-evolution may even have bonded us chemically.

数千年共同进化甚至可能在化学上把我们联系在一起。

" It's the first time we can actually chemically confirm it."

“这是我们第一次真正能从化学上确认它。”

True, it's chemically inert and would allow more light to pass through.

没错，其具有化学惰性能让更多光穿过。

Half a dozen start-ups are working on technology to chemically recycle these fibers.

数家创业公司正在研发新技术，用化学方式回收这类纤维。

To remedy the situation, the water must be chemically treated.

【remedy】为了改善这种情况，水必须进行化学处理。

The beads are not chemically harmful.

这些珠子没有化学危害。

That's because, chemically speaking, a dead battery is actually not that different from a fresh one.

这是因为从化学角度来讲，一块用完电池实际上和一块新区别不大。

And then maybe we could synthesize it, you know, chemically, from first principles.

后，也许我们可以用化学方法，从基本原理出发，合成它。

Well, it means to take something in, either physically or even you can chemically absorb things.

嗯，这意味着吸收某物，无论是物理上还是化学上都可以吸收。

In some of these dimensions you are chemically and even electrically a reality, in others electro-magnetically.

在这些维度某一些之中，你是化学上、甚至电性上一个实相，在其它一些维度中，则是电磁上实相。