为了消除这种杂草，生物学家建议用某种对人类和水生动物无毒的除草剂来处理受感染的部分湖泊。
In order to eliminate the weed, biologists proposed treating infested parts of the lake with a certain herbicide that is nontoxic for humans and aquatic animals.
比如无毒的蝴蝶，变得与有毒的那些看起来一样。
Like, non-poisonous butterflies, that have come to look like poisonous ones.
一种完全无毒的蛇家族，王蛇，也进化出了能中和响尾蛇毒液的血清。
One family of completely harmless snakes, the kingsnake, has also evolved serum that neutralizes rattlesnake venom.
富裕国家的公民要求有国家公园、干净的河流、干净的空气和无毒的食物。
Citizens of wealthy nations demand national parks, clean rivers, clean air and poison-free food.
黄颌蛇，你可能也听过这种蛇，虽然它们经常被归类为毒蛇，但实际上它们通常是无毒的。
Colubrids, and you probably heard this too, although they are often classified as venomous snakes, they are actually generally non-venomous.
毕竟氧化铁是无毒的。
该配方及所有成分是无毒的。
高纯、无毒的氢是燃料电池的理想燃料。
Pure and innocuous hydrogen is an ideal fuel for fuel cells.
有些爬行动物时无毒的。
“它是无毒的，”她说，“只是条乳蛇。”
测试还显示DRACO本身对老鼠是无毒的。
The tests also showed that DRACO itself is not toxic to mice.
大蒜精油是一种安全的、无毒的天然提取物。
如果老鼠体重没有减轻，它就被认为是无毒的。
If the mice did not lose weight, it was presumed to be nontoxic.
桑椹红色素是一种安全、无毒的食用天然色素。
Mulberry red pigment is a safety, non -toxic edible natural pigment.
桑椹红色素是一种安全、无毒的食用天然色素。
Mulberry red pigment is a safety, not poisonous edible natural pigment.
植物多糖是无毒的天然物质，具有较多生物活性。
Plant polysaccharide is a natural nontoxic substance with various biological features.
正常情况下空气中含21%的氧，而且氧是无毒的。
Normally air contains 21% oxygen and oxygen is essentially nontoxic.
我们所有的产品是专为注射药物是无毒的生物惰性。
All our products are specially designed for parenteral drugs and are non-toxic and biologically inert.
只要有可能，建筑师和业主就会使用无毒的本地建材。
Wherever possible, the architect and owner deployed local and non-toxic building materials.
与常规陶泥一样，烘焙时的烟气是无毒的，除非燃烧起来。
As with regular clays, the fumes are not toxic unless the LS burns.
从李子皮中提取的天然红色素是一种安全无毒的食用色素。
The natural haematochrome extracted from plum skin is a kind of safe and non - poisonous colorant.
一些人则历力声明化妆品是完全无毒的，人们有权利使用它。
Others as strongly defend the safety of cosmetics and their right to use them.
目的：筛选出高效特异而无毒的抗hbv反义寡核苷酸片段。
Objective: to screen the high performance, specific and nontoxic anti HBV antisense oligonucleotide fragment.
单纯一个颜色的色釉杯，一般都是安全无毒的，可以放心使用。
Simple a color glazed glass, are generally safe non-toxic, can rest assured use.
它也是一种帮助进入一种安静的睡眠状态的廉价而且无毒的方式。
It's also a cheap, nontoxic way to slip into a peaceful slumber.
它也是一种帮助进入一种安静的睡眠状态的廉价而且无毒的方式。
It's also a cheap, nontoxic way to slip into a peaceful slumber.
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