时差N小时 千万不要给宠物吃洋葱(上)

Onions Are Toxic¹ to Your Pets

千万不要给宠物吃洋葱

You may already know that chocolate can be lethal² to yourpet, but did you know that onions can be toxic to your cats and dogs too?

也许你已经知道巧克力对宠物的杀伤力，但是你知道小猫小狗吃了洋葱会中毒吗?

And I'm not just talking about their breath.

我不仅仅说的是他们的呼吸。

You see all forms of onions-cooked, raw, dehydrated-contain sulfur³ compounds.

要知道，新鲜的、脱水的、烹饪的洋葱，无一例外含有硫化物。

When your pet ingests onions, these compounds are broken down into what are known as disulphide compounds;

宠物摄食洋葱，化合物就分解成二硫化物，红细胞膜“中毒”，形成海恩茨氏小体的突起小泡。

These bubbles make the red blood cell more rigid⁴, and weaken its outer membrane⁵,

海恩茨氏小体使红细胞僵硬，外膜受损。

which means not only that the cell can't flex⁶ and twist as it circulates in the body, but that it is more likely to rupture⁷.

红细胞在体内循环，无法弯曲和扭转，更易破裂。

Now, the main function of red blood cells is to circulate oxygen throughout the body.

红细胞的主要功能是循环体内的氧气。

1 toxic   

adj.有毒的，因中毒引起的

参考例句：

• The factory had accidentally released a quantity of toxic waste into the sea.这家工厂意外泄漏大量有毒废物到海中。
• There is a risk that toxic chemicals might be blasted into the atmosphere.爆炸后有毒化学物质可能会进入大气层。

2 lethal   

adj.致死的；毁灭性的

参考例句：

• A hammer can be a lethal weapon.铁锤可以是致命的武器。
• She took a lethal amount of poison and died.她服了致命剂量的毒药死了。

3 sulfur   

n.硫，硫磺（=sulphur）

参考例句：

• Sulfur emissions from steel mills become acid rain.炼钢厂排放出的硫形成了酸雨。
• Burning may produce sulfur oxides.燃烧可能会产生硫氧化物。

4 rigid   

adj.严格的，死板的；刚硬的，僵硬的

参考例句：

• She became as rigid as adamant.她变得如顽石般的固执。
• The examination was so rigid that nearly all aspirants were ruled out.考试很严，几乎所有的考生都被淘汰了。

5 membrane   

n.薄膜，膜皮，羊皮纸

参考例句：

• A vibrating membrane in the ear helps to convey sounds to the brain.耳膜的振动帮助声音传送到大脑。
• A plastic membrane serves as selective diffusion barrier.一层塑料薄膜起着选择性渗透屏障的作用。

6 flex   

n.皮线，花线；vt.弯曲或伸展

参考例句：

• We wound off a couple of yards of wire for a new lamp flex.我们解开几码电线作为新的电灯花线。
• He gave his biceps a flex to impress the ladies.他收缩他的肱二头肌以吸引那些女士们的目光。

7 rupture   

n.破裂；(关系的)决裂；v.(使)破裂

参考例句：

• I can rupture a rule for a friend.我可以为朋友破一次例。
• The rupture of a blood vessel usually cause the mark of a bruise.血管的突然破裂往往会造成外伤的痕迹。