For years, organic farmers have been using sprays containing Bacillus thuringiensis, or Bt, a naturally occurring bacteria, different strains of which are toxic to certain insects.
多年来，有机农业种植者一直在使用有苏云金芽孢杆菌（以下称作Bt）的喷雾.Bt是一种天然的细菌，是对特定昆虫有毒害作用的不同种的菌种。
The two varieties that passed safety inspection express a gene for a protein from the bacterium Bacillus thuringiensis (Bt) that's toxic to insects.
两种通过安全检测的水稻品种表达了一种来自苏云金芽胞杆菌（Bt）蛋白的一种基因，能够使得害虫中毒。
To date, insect resistance has been provided by a gene from the soil bacterium Bacillus thuringiensis (Bt).
目前，抗虫害的特性是取自土壤中杆菌苏力菌（Bacillus s thuringiensis，下文简称Bt）的一个基因。
To date, insect resistance has been provided by a gene from the soil bacterium Bacillus thuringiensis (Bt).
目前，抗虫害的特性是取自土壤中杆菌苏力菌（Bacillus s thuringiensis，下文简称Bt）的一个基因。
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