英语翻译He could only speculate that he had so successfully conditioned the rats that saccharin alone now served to weaken their immune systems enough to kill them.求翻译,顺便求句子结构分析
问题描述:
英语翻译
He could only speculate that he had so successfully conditioned the rats that saccharin alone now served to weaken their immune systems enough to kill them.
求翻译,顺便求句子结构分析
答