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

鼠蛇无毒的，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.

这些像微珠样的粉末无毒的，们的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) 将有毒的乙醛转化为无毒的醋酸盐。

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用无毒的盐来替代通常使用的剧毒性物质。

It's generally a harmless form of entertainment.

种无毒无害的娱乐形式。

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

有些蛇无毒的，所以我可能冒点风险，用我的手。

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

“长征七号”枚采用环保无毒的液发动机的大型液体运载火箭，这样就比先前的配置更为环保。

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

些无毒的蛇，比如虎背蛇，在怀孕期间吃有毒的青蛙来保护们的孩子。

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？哪瓶无毒的？- 当然弄明白了，这容易得很。

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

然后无毒的蛇， 如蟒蛇和蟒蛇。

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

许多无毒的蝴蝶都有模仿有毒蝴蝶的警告颜色。

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

最重要的，无毒的。

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

哦，就像无毒的蝴蝶， 看起来像有毒的蝴蝶。

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

有太多的压力和压力，无法投入到种非常无毒的生活方式中。

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

我们使用地球丰富的元素，并且我们使用无毒且非常良性的元素。

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，镓种无毒的脆性金属，用处不大。

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无毒品的校园，打造美国人理想中的校园环境呢？

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

凭借无毒的水制颜料，们运用各式技法创作各种杰作。很多动物都肉掌和爪。而猩猩这样的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.

森林鸡无毒野生蘑菇的个很好的例子。

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

由永远无毒的马修·基尔蒂 (Matthew Kielty) 制作的，并得到了真正的糕点师瑞秋·库西克 (Rachael Cusick) 的制作帮助。