We use earth abundant elements and we use elements which are non-toxic and very benign.

我们使用地球丰富，并且我们使用且非常良性。

Rat snakes aren't poisonous or a threat to people generally.

鼠蛇是，通常不会对人造成威胁。

It's generally a harmless form of entertainment.

它是一种害娱乐形式。

It's a totally natural, nontoxic material in our bodies. Our cells produce tens of thousands of different proteins, and basically, all of our food has protein in it.

它是我们体内纯天然、性物质。我们细胞能合成成千上万种不同蛋白质，我们食物基本都含有蛋白质。

Then, an enzyme called ALDH converts the toxic acetaldehyde to non-toxic acetate.

接着，乙醛脱氢酶(ALDH) 将有乙醛转化为醋酸盐。

These powder-like microbeads aren't toxic, and their chemical and physical properties are similar to sand.

这些像微珠一样粉末是，它们化学和物理属性类似于沙子。

The rocket uses liquid propellant, which makes it more environmentally friendly than previous modules.

“长征七号”是一枚采用环保液氧煤油发动机大型液体运载火箭，这样就比先前配置更为环保。

How we create this environment for the drug-free schools that we want of this country?

我们要怎样创建环境才能实现品校园，打造美国人理想中校园环境呢？

The green color that forms on the skin is actually chlorophyll which isn't toxic but indicates the presence of the toxin solanine which is a defense mechanism against pests.

土豆皮上绿色实际上是叶绿，它是，但这表明了有茄碱存在，这是一种防御害虫机制。

Let's look at how sugar is metabolized, but first, we'll look at glucose or " starch" to see how a non-toxic carbohydrate is metabolized.

让我们来看看糖是何代谢，首先我们来看看葡萄糖或“淀粉”，看看碳水化合物是何代谢。

They use a variety of techniques to create masterpieces with nontoxic, water-based paint.Many use their paws or claws.Apes will use paintbrushes.

凭借水制颜料，它们运用各式技法创作各种杰作。很多动物都是肉掌和爪。而猩猩这样猿类则会拿起画笔作画。

John Hocevar, its head of ocean campaigns, concedes that in some locations reefed platforms, if non-toxic, may increase marine life.

该组织海洋运动领头人约翰承认在一些海域，果珊瑚礁化平台，那么久有可能促进海洋生物繁殖。

Some non-venomous snakes, like the tiger keelback, will actually protect their babies by eating poisonous frogs while being pregnant.

一些蛇，比虎背蛇，在怀孕期间会吃有青蛙来保护它们孩子。

Some kind of snakes are not venomous so I might take a little risk and use my hands.

有些蛇是，所以我可能会冒一点风险，用我手。

Instead of commonly used highly toxic substances, Townsend discovered that it can be done with nontoxic salts.

而且特温斯德发现可以使用盐来替代通常使用剧性物质。

Oh, like, non-poisonous butterflies, that have come to look like poisonous ones.

哦，就像蝴蝶， 看起来像有蝴蝶。

Number 31 on the periodic table, gallium is a non-toxic brittle metal, not very useful.

周期表上第31号是镓，这是一种脆性金属，用处不是很大。

Chicken of the Woods is a good example of a wild mushroom that's not poisonous.

鸡油菌就是一个很好野生蘑菇例子。

We've got the rough that are non-virulent.

我们有那些性粗糙型菌株。

And then in the byline, it can be like toxin-free eco-friendly cleaning services.

而在作者栏中，它可以是环保清洁服务。