Spider plants (Chlorophytum comosum) are nontoxic and are also among the easiest indoor plants to grow.

蜘蛛草（吊兰）无毒，也是最容易种植于室内植物。

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盐来替代通常使用剧毒性物质。

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。

It's a representation of the Physic Garden's original purpose: to teach young apothecary apprentices how to tell the difference between toxic and nontoxic plants.

这代表了药材园最初：育轻药剂师学徒如何分辨有毒和无毒植物。

So, now, she sets him up with some nontoxic colors, a paint brush attached to a paper towel tube, and lets him captain a canvas.

所以，现在，她给他准备了些无毒颜色， 个连在纸巾管上画笔， 让他画了块帆布。

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、无毒性物质。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。