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。

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

这两封信件在初步检查中被检测出含有呈阳性的蓖麻。

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

蓖麻的性依据摄取途径有高低之别。

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阳性。

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

初步检测称这2封信被一种称为蓖麻的所 “污染”。

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·拉斯顿报蓖麻道检测的完整结果需要几天。

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

两封信件都被初步检测出蓖麻。

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的加拿大女子被控威胁特朗普总统。

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

戴维森因制造蓖麻被判处10监禁，蓖麻是一种由蓖麻豆制成的致命生物。

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

但蓖麻离举世公认第一杀人魔王，功力可差多了。

Just a single ricin molecule is capable of inactivating 1,500 ribosomes per minute as it kills the cell.

蓖麻是一种酵，每分钟能够毁坏 1500 颗核糖体，直到细胞死亡为止。

It turns out, it wasn't ricin.

最后证明了不是蓖麻。

When the oil is heated the ricin protein denatures or changes shape, which renders it harmless.

榨取的蓖麻油中虽含有，但可借由加热，使蛋白质变性去除性。

But when inhaled, ingested, or injected, untreated ricin is readily absorbed by the body's cells.

如前所述，未被加热破坏的蓖麻若被吸入、食入、或注入体内，会迅速的进入细胞。

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, 蓖麻污染过的信件寄给总统和其他官员。

They concluded there's no more ricin.

他们认为没有蓖麻了。

They found a suspect in the ricin case.

他们在蓖麻一案上发现了疑犯{\an8}林奇 沃尔特 前任送货司机 目前在领取残疾保险福利。

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

还有他们都接触了蓖麻。

What's the update on the ricin attack?

蓖麻事件有进展了吗？

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，更广为人知的名称是蓖麻子或蓖麻油。