当然，所有毒素都是达到了一定剂量的，就像少量的毒物并不会伤身，吃入或喝入的毒越多，危险就越大。
Of course all toxins have doses, and just as a tiny bit of poison won't necessarily harm you, the more you eat or drink, the greater the danger.
有人说，药物和毒物的唯一区别就是它的剂量。
It has been said that the only difference between a drug and a poison is the dose.
大剂量时是毒物，但在微量是它能使有机体生成能量使细胞发挥功能。
In large amounts it is toxic, but in trace amounts it enables organisms to produce enzymes that help cells to function.
人类不会因为放射性毒害或由此引发的癌症而每天大量死亡，这是因为与所有的有毒物质一样，罪魁祸首不是特定的原子，而是剂量。
We're not dropping dead en masse from radiation poisoning or its ensuing cancers on a daily basis because, like all poisons, it isn't the particular atom that will get you. It's the dose.
行为改变、生理学上的变化或代谢解毒等抗性机制能够降低毒物到达靶标的有效剂量。
Mechanisms of resistance, such as behavioral change, physiological modification or metabolic detoxification, decrease the effective dose available at the target site.
毒物兴奋效应是指在较低药物剂量水平时，随着剂量水平的增加，受试者对药物的不良反应降低。
Hormesis is that decreased risk of adverse effects would occur with increased dose levels when subjects are exposed to toxin at low levels.
所有物质都是毒物，没有不是毒物的物质，唯有剂量使之区分为毒物还是药物。
All substances are poisons, there is none which is not a poison. The right dose differentiates a poison and remedy.
物质本身不是毒物，主要是剂量才使一个物质变成毒物。
No substance is a poison by itself. It is the dose that makes a substance a poison.
物质本身不是毒物，主要是剂量才使一个物质变成毒物。
No substance is a poison by itself. It is the dose that makes a substance a poison.
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