Unnaturally high nicotine concentrations deterred the bees.

尼古丁浓度高于自然水平会使大黄蜂望而却步。

This leads to high concentrations of nitrogen and phosphorus.

这导致了高浓度的氮和磷。

You need a high concentration of alcohol to make that work.

你需要高浓度的酒精才行。

And, at high concentrations, acetone can cause skin rashes and irritation.

高浓度的丙酮会引起皮疹和刺激。

At super high concentrations, it can be toxic like hydrogen sulfide.

在极高浓度下，和硫化氢一样有毒性。

While it contains the world's highest concentration of skyscrapers, and one of the highest population densities.

这座城市摩天大楼的数量可谓是世界之最，也是人口密度最大的城市之一。

This impala is actually cherry-picking the leaves with the highest concentration of nitrogen.

这种黑斑羚实际上专门采食那些氮含量最高的叶子。

And there's a higher concentration of water in a bacterium than in honey.

而蜂蜜的渗透压比细菌细胞液的要高。

Their blood has higher salt concentration than the water they are surrounded by.

它们血液中的盐分浓度高于周围的水。

And no, high concentrations of alcohol in the body will not make you explode.

不，体内高浓度的酒精不会让你爆炸。

And molecules also diffuse from areas of high concentration to areas of low concentration.

分子也会从高浓度区域扩散到低浓度区域。

Having little water in the lumen, creates a relatively high potassium concentration in the lumen.

水份较少时，管腔中钾离子浓度就会相应升高。

For example, when factories burn coal, they release high concentrations of sulfur oxides.

比如，工厂在烧煤时，会产生高浓度的硫氧化物。

But if people are exposed to higher concentrations of oxygen, they can actually be poisoned.

但是如果人们暴露在高浓度的氧气中，他们实际上可能会中毒。

An autopsy was said to have turned up a high concentration of bacteria in her gallbladder.

据说尸检发现她的胆囊里有高浓度的细菌。

In the fat-shedding livers, by contrast, she found high concentrations of a protein called fatty-acid-binding-protein 4.

相比之下，她在没有脂肪的肝脏中发现了一种名为脂肪酸-结合蛋白4的蛋白质，且浓度很高。

Measurements taken from the Earth show a high concentration of carton dioxide in the atmosphere of Venus.

我们从地球所测量的数据表明，金星大气层中有大量二氧化碳。

When you inhale saltwater, the higher salt concentration prevents the water from crossing into your lung tissue.

当你吸入海水时，高浓度盐水会阻止水进入你的肺部组织。

The substance needs to move up the concentration gradient from a low concentration to a high concentration.

物质需要沿着浓度梯度从低浓度上升到高浓度。

So, in a polluted city, we might find high concentrations of nitrogen dioxide because of all the traffic.

所以，在一个被污染的城市，我们可能会发现高浓度的二氧化氮，全是因为交通。