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

鼠蛇是无，通常不会对人造成威胁。

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无，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) 将有乙醛转化为无醋酸盐。

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盐来替代通常使用剧性物质。

It's generally a harmless form of entertainment.

是一种无无害娱乐形式。

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

有些蛇是无，所以我可能会冒一点风险，用我手。

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

“长七号”是一枚采用环保无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.

一些无蛇，比如虎背蛇，在怀孕期间会吃有青蛙来保护们孩子。

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？哪一瓶是无？- 当然弄明白了，这容易得很。

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

多无蝴蝶都有模仿有蝴蝶警告颜色。

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

哦，就像无蝴蝶， 看起来像有蝴蝶。

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

我们使用地球丰富元素，并且我们使用无且非常良性元素。

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，镓是一种无脆性金属，用处不大。

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，无法投入到一种非常无生活方式中。

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.

凭借无水制颜料，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。

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

是由永远无马修·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。

I did have this Kalon Studios crib which is the best non-toxic crib on the market.

我确实有这个 Kalon Studios 婴儿床，是市场上最好无婴儿床。

It turned out that poisonous newts had more Pseudomonas on their skin than did rough-skinned newts from Idaho that aren't toxic.

事实证明， 有蝾螈皮肤上假单胞菌数量多于来自爱达荷州无皮肤粗糙蝾螈。

It's incredible to know that there are clean, non-toxic products that are really efficacious and really work wonders on your skin.

令人难以置信是，有清洁、无产品真正有效，并能在您皮肤上产生奇迹。