关键词： 有毒植物；畜牧业；毒性灾害；美国 [gap=1451]Key words: poisonous plants; animal husbandry; toxic disasters; USA
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毒性物品灾害预防法案 Toxic Catastrophe Prevention Act
新高粱品种的植株比以前的矮半截，产量却是以前的三倍，基因研究也找到了如何控制木薯灾害根源，这是一种病毒性疾病。
New semi-dwarf sorghum has three times the previous yield, and genetic research has shown how to control cassava's great scourge, viral disease.
煤矿用电缆燃烧时所释放出的烟雾和毒性气体是造成电缆火灾事故“二次灾害”的直接原因。
The direct reason that causes the cable fire disaster-the second disaster is that the smoke and poison gas produced by the cable for mine purposes when burning.
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