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

鼠蛇是，通常不对人造成威胁。

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。

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。

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盐来替代通常使剧性物质。

It's generally a harmless form of entertainment.

它是一种害娱乐形式。

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

有些蛇是，所以可能冒一点风险，手。

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

“长征七号”是一枚采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。

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

一些蛇，比如虎背蛇，在怀孕期间吃有青蛙来保护它们孩子。

Just before you go, did you figure it out? Which one's the good bottle? - Course. Child's play.

先别走，说说你弄明白了吗？哪一瓶是？- 当然弄明白了，这容易得很。

Then there is non-venomous snakes like constrictors and pythons.

然后是蛇， 如蟒蛇和蟒蛇。

Many butterflies that aren't poisonous have warning colors that mimic butterflies that are poisonous.

许多蝴蝶都有模仿有蝴蝶警告颜色。

And best of all, it's one that's not poisonous.

最重要是，它是。

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。

There's too much pressure and stress to kind of dive into a very non-toxic lifestyle.

有太多压力和压力，法投入到一种非常生活方式中。

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

们使地球丰富元素，并且们使且非常良性元素。

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

在元素周期表中排在第 31 位，镓是一种脆性金属，处不大。

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

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？

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。而猩猩这样猿类则拿起画笔作画。

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

森林鸡是野生蘑菇一个很好例子。

It was produced by the ever non-toxic Matthew Kielty, with production help from actual pastry chef Rachael Cusick.

它是由永远马修·基尔蒂 (Matthew Kielty) 制作，并得到了真正糕点师瑞秋·库西克 (Rachael Cusick) 制作帮助。