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
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
问题解答:
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