| 1. | The toxic level of retinol is about 500 times the minimum requirement .
视黄醇的中毒水平为最低需要量的500倍。 |
| 2. | When molybdenum is deficient, nitrate may accumulate to a toxic level in the plant .
当钼不足时，硝酸盐会积累在植物中达到毒害的程度。 |
| 3. | Hepatic copper at toxic levels induces hepatocellular injury , and the released copper fro m the affected liver causes extrahepatic toxicity in the brain , kidneys and eyes
而且由受损的肝脏排出来的铜沉积在脑、视网膜等组织，导致这些组织的功能障碍。 |
| 4. | When the liver reaches a dangerous toxic level , it will attempt to eliminate the toxins through abnormal channels called vicarious elimination
内分泌系统是人体其中一个很重要的排毒渠道，当人体肝脏中毒过深时，便会透过内分泌系统来排除毒素，以免肝脏中毒过深。 |
| 5. | Isn ' t it sufficient to know that one american child or a single elderly person in this bountiful land is reduced to eating the forage of animals or exposed to unknown toxic levels of mercury , lead or salmonella to know that something very extraordinary must be done
数据说明了一个孩子和一个老人在宽大的土地上沦落到吃草料或者曝露在有毒的水银，铅，沙门氏菌的环境中，这难道不足以说明我们是时候采取一些特殊的措施了吗？ |
| 6. | Isn ' t it sufficient to know that one american child or a single elderly person in this bountiful land is reduced to eating the forage of animals or exposed to unknown toxic levels of mercury , lead or salmonella to know that something very extraordinary must be done
在美国这片如此富足的土地上有儿童和孤寡老人沦落到要吃动物饲料，他们无时无刻不处于未明毒素水平的水银，铅和沙门氏菌的威胁，难道这些还不能使我们有所行动吗？ |
| 7. | Isn ' t it sufficient to know that one american child or a single elderly person in this bountiful land is reduced to eating the forage of animals or exposed to unknown toxic levels of mercury , lead or salmonella to know that something very extraordinary must be done
难道我们现在还不是时候了解到一位美国小孩或许单身的老人在这个辽阔的土地上却沦落到要吃动物的食物或者是误食了有毒汞，铅或者沙门氏菌才想到该采取一些措施了么？ |
| 8. | Isn ' t it sufficient to know that one american child or a single elderly person in this bountiful land is reduced to eating the forage of animals or exposed to unknown toxic levels of mercury , lead or salmonella to know that something very extraordinary must be done
一个美国小孩或单身老人在这个富饶的土地上沦落到吃动物的草料，又或者是受到未知程度的水银，铅或者沙门氏菌等毒害，难道说这些还不足以让我们采取一些必要的行动吗？ |
| 9. | Isn ' t it sufficient to know that one american child or a single elderly person in this bountiful land is reduced to eating the forage of animals or exposed to unknown toxic levels of mercury , lead or salmonella to know that something very extraordinary must be done
在富饶的国土上竟然有小孩或单身老年人要沦落到吃动物食品、忍受有毒气体、水银、铅或者其它细菌的困扰，知道了这些事实后，难道我门不应该采取一些非常的行动来挽救吗？ ？ |
| 10. | Isn ' t it sufficient to know that one american child or a single elderly person in this bountiful land is reduced to eating the forage of animals or exposed to unknown toxic levels of mercury , lead or salmonella to know that something very extraordinary must be done
一个生长在美国这片沃土上的小孩或老人沦落到吃动物得草粮，又或者是要受到不同程度的水银，铅，或者沙门氏菌的毒害，难道这还不足以让我们意识到我们要采取一些特别行动吗？ |
