This Iake is just one piece of trash away from a toxic nightmare.

这湖水离彻底变成剧毒之湖仅仅一步之遥。

They propagate slowly, but they produce very toxic smoke.

它们传播缓慢，但会产生剧毒的烟雾。

The fungus is so virulent it can wipe out whole colonies of ants.

这种剧毒的菌类足以杀死整个蚂蚁群落。

Dudley and Piers wanted to see huge, poisonous cobras and thick, man-crushing pythons.

达力和皮尔想看看有剧毒的大眼镜蛇和攻击性很强的巨蟒。

To make this even worse, Mars' soil is filled with very toxic perchlorate salts.

更糟糕的是，火的土壤充满了剧毒的高氯酸盐。

What's not entirely clear is why this tree went so overkill on the toxicity.

我们对它剧毒性的成因尚不完全了解。

The result, for low-skilled men, is a poisonous combination of no job, no family and no prospects.

由此导致低术的男性被无工作，无家庭，无前景的“三无”剧毒环环围住。

Okay, so it's either a blue mountain flower, or a poison death cactus.

好吧，它要么是蓝色山花，要么是剧毒仙人掌。

In the poison bed, Frances is showing me hemlock, a highly poisonous, herbaceous flowering plant.

在有毒植床区，弗朗西斯正在给我看毒芹，这是一种剧毒的草本开花植物。

The train was reportedly carrying a variety of chemicals and toxic raw materials on board.

据报道，该列车载有多种化学品以及剧毒原料。

Word is she was on some pretty heavy duty study drug.

有人说她在服用了很重量的剧毒药物。

And after metamorphosing into the adult butterfly, their bright colours advertise their toxicity.

在变成成蝴蝶后翅膀上鲜艳的颜色表明，它们体内有剧毒。

It will burn, however, and produce a highly toxic smoke. In addition, the fumes smell really bad, with one veteran saying that a sniff of smoke will cause you to 'lose half your brain cells'.

但是，它会燃烧并产生剧毒烟雾。此外，烟雾气味非常难闻，一位老兵说，闻一口烟就会让你“失去一半的脑细胞”。

Polonium is a highly toxic substance and just one microgram -- about the size of a speck of dust -- is enough to kill a person.

钋是一种剧毒物质，仅仅一微克，也就一点灰尘大小的钋便可致人死亡。

As oxygen becomes pressurized, it forms large amounts of superoxide anion (O2) and peroxide (H2O2), which are highly toxic to living cells.

当氧气被施加压力时，会形成大量的超氧阴离子和过氧化物，这些对活细胞有剧毒。

Dudley and Piers wanted to see huge, poisonous cobras and thick, man-crushing pythons. Dudley quickly found the largest snake in the place.

达力和皮尔想看看有剧毒的大眼镜蛇和攻击性很强的巨蟒。达力很快就找到了馆里最大的一条巨蟒。

Lead is an extremely toxic heavy metal and studies have linked exposure to it to significant health and developmental problems, especially for kids.

铅是一种剧毒的重金属，研究表明，接触铅会导致严重的健康和发育问题，尤其是对儿童而言。

“This particular strain is very toxic to mosquito larva but when it’s put in the water it doesn’t hurt the bees at all.”

“这种特殊杀虫剂对蚊虫幼体来说是剧毒，但把它放在水中后就不会对蜜蜂造成伤害了。”

For instance, the new microscope helped scientists test the shampoos containing silver nanoparticles, which are highly toxic to bacteria living in human hair.

例如，新型显微镜能够帮助科学家监测洗发水中所含有的银纳米颗粒，该物质会对头发上的细菌产生剧毒。

I'm sure you'll be aware that some of these are edible, and they're delicious, but some of them are highly poisonous.

我相信你知道其中一些是可食用的，而且非常美味，但有些是剧毒的。