Davison was sentenced to 10 years in prison for manufacturing ricin, a lethal biological poison made from castor beans.

戴维森因制造蓖麻素被判处10年监禁，蓖麻素是一由蓖麻豆制成的致命生物药。

It's found in the beans of the castor plant.

它来自大戟科蓖麻的。

The agency says the substance in both letters has tested positive in preliminary tests for poisonous ricin.

两封信件都被检测出蓖麻素。

Senators were briefed on the ricin Tuesday night.

周二晚上，参议员对蓖麻信事件进行了讨论。

Ricin is one of the deadliest natural substances that is not found in an animal.

蓖麻素是来自非动物液的最致命的自然素之一。

A similar letter addressed to a US senator in Washington also tested positive for ricin.

发往华盛顿一名参议员的信件也显示蓖麻素阳性。

Those two letters have tested positive for ricin in a preliminary check.

这两封信件在检查中被检测出含有呈阳性的蓖麻素。

Initial tests on those two letters indicated they were tainted with a poison called ricin.

检测称这2封信被一称为蓖麻素的药所 “污染”。

And the toxicity of ricin can change depending on how it enters the body.

蓖麻素的性依据摄取途径有高低之别。

NPR's Dina Temple-Raston, who says completing conclusive tests for ricin will take several days.

NPR新闻的迪娜·特普尔·拉斯顿报蓖麻素道检测的完整结果需要几天。

And as potent as it is, ricin isn't even close to being the most poisonous natural substance on Earth.

但蓖麻素离举世公认第一杀人魔王，功力可差多了。

The Canadian woman suspected of trying to mail the poison ricin to the White House is accused of threatening President Trump.

涉嫌试图向白宫邮寄蓖麻素的加拿大女被控威胁特朗普总统。

Beside the fact that they've all be exposed to ricin.

还有他们都接触了蓖麻素。

You might remember a month or so ago, letters tainted with ricin were sent to the president and other officials.

你可能还记得一个月或者更早以前, 蓖麻素污染过的信件寄给总统和其他官员。

Carbon dioxide, castor oil, chlorophyll, or caffeine?

二氧化碳、蓖麻油、叶绿素或咖啡因？

It turns out, it wasn't ricin.

最后证明了不是蓖麻。

You can take some castor oil. There's spicy foods.

你可以喝蓖麻油 吃辣的食物。

I said when I felt like that I took a dose of castor oil.

我说当我有这感觉时， 我服用了一剂蓖麻油。

The girls fell behind their aunt and peeped out at him from among the castor beans.

女孩们跟在姨妈身后， 从蓖麻丛中向外窥视他。

Probably the most poisonous plant we actually have here is ricin, better known as the castor bean or castor oil.

我们这里实际拥有的最植物可能是蓖麻素，更广为人知的名称是蓖麻或蓖麻油。