Then we see a plant called giant hogweed.

随后我们看到一种叫做大豕草的植物。

Poisonous giant hogweeds overgrow the banks of London's Thames River.

伦敦泰晤士河两岸长满了有毒的巨型猪草。

Other eight-letter words include hogsbane, more commonly known as giant hogweed, and pranayam, a breathing technique in yoga.

其他八个字母的单词包括 hogsbane（通常被称为巨型猪草）以及pranayam（瑜伽中的一种呼吸技巧）。

Today we're talking about Heracleum mantegazzianum, otherwise known as the far  less fancy Giant hogweed.

今天我们谈论的是Heracleum mantegazzianum，也被称为远没有那么花哨的巨型猪草。

So giant hogweed seeds take to the water!

所以巨型猪草种子下水了！

And when I say Giant hogweed, I mean GIANT.

当我说巨型猪草时，我的意思是巨型。

Giant hogweed is a member of the Apiaceae family.

大猪草是伞形科植物的一员。

Giant hogweed can be found all over North America  where it is identified as an invasive, non-native species.

巨型猪草遍布北美，被确定为入侵性非本地物种。

If  you do tangle with a hogweed, try to keep the sapped slathered skin out of the sun.

如果你确实被大猪草缠住了，请尽量避免让流干的皮肤受到阳光照射。

Giant hogweed flowers, which are  white or occasionally pink, are beautiful and massive, stretching up to 80cm across.

巨大的猪草花是白色的，偶尔是粉红色的，美丽而巨大，长达80厘米。

Giant hogweed is difficult to eradicate, and  not just because of the blisteringly toxic sap.

大猪草很难根除，不仅仅是因为其汁液剧毒。

North America isn't the only  place where giant hogweed has made itself a little too comfortable.

北美并不是唯一一个巨型猪草让自己有点太舒服的地方。

Its more infamous members include a bunch  of poisonous species like poison hemlock, as well as some phototoxic  members like giant hogweed.

它更臭名昭著的成员包括一堆有毒物种，如毒铁杉，以及一些光毒性成员，如巨型猪草。

Giant hogweed plants that are on or near rivers can use the currents to carry their seeds as  far away from the parent plant as possible.

在河流上或附近的巨型猪草植物可以利用水流将其种子尽可能远离母本植物。

Giant hogweed is a monocarpic perennial,   meaning it flowers only once after being in a vegetative state for a long period  of time.

巨型猪草是一种单果多年生植物，这意味着它在长时间处于植物状态后只开花一次。

Giant hogweed doesn't get quite that elderly,   but it will live for between 2 to 12 years before it flowers and gives up the ghost.

巨型猪草不会那么老，但它会活 2 到 12 年，然后开花并放弃鬼魂。

If you get the sap of the giant hogweed on  your skin, it can make it wildly sensitive to sunlight, turning you into an  itchier version of Dracula.

如果你的皮肤沾上了大猪草的汁液，它会让你的皮肤对阳光极度敏感，让你变成更痒的德古拉版本。

Giant hogweed has existed on the North American  continent since at least 1917 and was likely either introduced as an ornamental plant or  accidentally in seeds from imported foods.

至少自1917年以来，巨型猪草就存在于北美大陆，可能是作为观赏植物引入的，也可能是偶然从进口食品中引入的种子。