高毒农药 riskiest pesticide ; WHO Ia Ib
高毒性物质 highly toxic material
高毒性 high toxicity ; High-toxic
对高毒力异源毒株 highly virulent heterologous strains
提高毒力 exaltation of virulence
吞食有极高毒性 Very toxic if swallowed
吸入有极高毒性 Very toxic by inhalation
由于高毒性 Because of the high toxicity of
与皮肤接触有极高毒性 Very toxic in contact with skin
同时，也指出了尽快取代高毒农药的重要性。
Meanwhile the importance of replacement of high- toxicitity pesticides as soon as possible has also been pointed out.
建议稻田中少用甲胺磷高毒农药，以减少对地下水的污染。
It was suggested methamidophos, a high-poisonous pesticide, should be less used in the rice field to avoid the pollution of groundwater.
新烟碱类杀虫剂是取代高毒有机磷、有机氯类杀虫剂的最佳品种。
The novel nicotinamide insecticide is the optimal variety to replace highly-poisonous organophosphorus and organochlorine insecticides.
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