So if I were equivocating on the word BT, or the letter BT, my conclusion might not follow from the premises.
如果我用同样的话说BT,或者BT这两个字母,我的结论可能就不会紧随前提。
The technology to direct synthesis of these agents, such as Bt, to specific tissues is known and under development but not yet perfected.
人们已经了解并开发命令这些介质(比如蓝四氮唑)合成特定组织的技术,但并不完善。
Insect resistance to Bt would do irreparable harm, not just to genetically modified crops, but to organic crops as well, because Bt sprays would be rendered useless.
而Bt抗性也会产生不可取代的危害,不仅是对于基因改良作物,还有那些需要用Bt喷雾来抗虫的作物。
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