半数受害者都已住院，如此高的住院率表明这可能是一种毒性特别强的大肠杆菌菌株。
Half of the victims have been hospitalised, a high rate that may indicate an especially virulent strain of E. coli.
另外，有机卤化物广泛应用于杀虫剂中，是一类毒性强、易致癌、难生物降解的环境污染物。
On the other hand, organic halides are widely used in insecticide. They represent a class of toxic, carcinogenic and nonbiodegradable organic pollutants.
它是溴已新的活性代谢物，与第一代和第二代祛痰药相比，它毒性低，祛痰作用强，是最常用的祛痰药之一。
Compared with the first and second generation expectorant drugs, it has much more powerful expectorant function and lower toxicity, and is one of most clinically-used expectorant drugs.
应用推荐