But there are synthetic substances as well.

但也有合成物质。

It's a synthetic substance that happens to be the lightest solid known to man.

这是一种合成物质是人们所知道最轻固体。

Opioids are synthetic substances that act like heroin.

阿片类药物是作用类似于海洛因合成物质。

It's all this weird synthetic stuff, even nanomaterials.

包括各种奇异合成物质， 甚至纳米材料。

They make things that the cell needs, like proteins!

核糖体合成细胞需要物质，例如蛋白质！

These synthetic chemicals were developed in the 1940s that are used to repel oil and water.

这些合成物质在 20 世纪 40 年代被开发出来，用于防油防水。

Gistex's produce is mainly polyester fabric, a synthetic material that requires a lot of chemicals.

Gistex 品主要是聚酯物，一种需要大物质合成材料。

The only obstacle to the creation of mega powerful weapons or fuel is the inability to synthesize antimatter in large volumes.

制造超级强大武器或燃料唯一障碍是无法大合成反物质。

According to Landua, the synthesis of one gram of antimatter with current technology would cost about 1,000 trillion dollars.

根据兰杜阿说法，用目前技术合成一克反物质将耗资约一千万亿美元。

In ophthalmology, a synthesized form of the same chemical can still be used to help dilate the pupils.

在眼科，这种物质合成物仍可以用来帮助扩大瞳孔。

A gelatin-like substance engineered in thelaboratory of the Massachusetts Institute of Technology shields those cells from the attack.

麻省理工院实验室合成这种胶状物质能保护细胞免受侵害。

However, paradichlorobenzene is also listed as a compound that's thought to be a human carcinogen, though there haven't been any major human studies.

然而，尽管目前还没有主流对人研究，但是二氯苯也同样被列为合成物质，它也被认为是人类致癌物。

In ophthalmology, a synthesized form of the same chemical can still be used to help dilate the pupils.

Love：在眼科中，相同物质合成形式仍然可以用来帮助扩张瞳孔。

These things are synthetic, meaning they're xenobiotics, meaning they're foreign to the body, meaning they'll stimulate inflammation, and inflammation is intimately tied to carcinogenesis.

这些物质是合成，也就是说它们是外源性合物，意味着它们对人体是异物，会刺激炎症，而炎症与癌症发生密切相关。

A third line of research depends on the fact that serotonin is made from tryptophan, a substance the body cannot synthesise, and so must ingest from food.

第三个研究方向取决于血清素是由色氨酸制成事实，色氨酸是一种人体无法合成物质， 因此必须从食物中摄取。

His team was looking for substances that could soften synthetic fabrics, such as polyester, which is made from the same kind of plastic used in most beverage bottles.

他领导团队原本在寻找能够软合成纤维物质，例如用于制造大多数饮料瓶塑料材料聚酯纤维。

That, along with it containing tyrosine, an amino acid that aids neurotransmitter production, may make it hard to get some rest if you have a bunch of protein before bed.

因为它含有酪氨酸，酪氨酸是一种帮助合成神经传递物质胺基酸。因此如果你在睡前食用蛋白质类食品，便可能造成睡眠困难。

They have also discovered that the shells of many organisms in the area are short of aragonite, a form of calcium carbonate that gives them strength, but whose formation acid discourages.

他们也发现，这里许多生物外壳缺少文石—一种让这些生物生力碳酸钙形式—但是，它们体内酸性形式阻碍了这种物质合成。

It's made from soda ash, which at the time, it came from the ashes of sodium-rich marine plants like seaweeds, or it was made synthetically by reacting table salt, also known as sodium chloride, with other chemicals and minerals.

它由苏打灰制成，当时纯碱来自海藻等富含钠海洋植物灰烬， 或者是通过食盐（也称为氯钠） 与其他物质和矿物质反应合成制成。