The toxic test suggested that the maximal tolerance dose of mice with its extract a day was 220 times as much as clinical administration dose.
毒性试验表明，小鼠一天口服王老吉浸膏最大耐量为临床口服量的220倍。
Although alcohol is toxic to fruit flies, it's even more toxic to wasps, which, unlike fruit flies, have not evolved a high level of alcohol tolerance.
尽管酒精对果蝇有毒，但酒精对黄蜂的毒性更大。与果蝇不同，黄蜂还没有进化成对高浓度酒精的耐受性。
Ryegrass had a strong tolerance on pyrene, while copper had physiological and biochemical toxic effects. on ryegrass.
黑麦草对芘具有较强的耐受性，而铜对黑麦草的生理生化具有一定的毒害作用。
However all these drugs used now have great toxic side effect, bad tolerance so it's hard to reach optimal therapeutic dosage, and what's more the response rate is low.
但是所有这些药物都面临毒副作用大，患者耐受性差，用药剂量很难达到最佳治疗剂量，而且最重要的是有效率较低。
To scavenge excess ROS and reduce its toxic effects, plants have evolved an antioxidant system whose activity is up-regulated under stressful conditions and correlated well with enhanced tolerance.
ROS本身化学性质十分活泼，对植物具有严重的伤害作用。为了降低伤害，植物体在长期的进化过程中形成了酶促与非酶促等抗氧化系统。
To scavenge excess ROS and reduce its toxic effects, plants have evolved an antioxidant system whose activity is up-regulated under stressful conditions and correlated well with enhanced tolerance.
ROS本身化学性质十分活泼，对植物具有严重的伤害作用。为了降低伤害，植物体在长期的进化过程中形成了酶促与非酶促等抗氧化系统。
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