Dr Nochi's mice really were protected. When he fed them cholera toxin, they did not get sick.

Nochi博士的老鼠在实验中得到了保护，当喂食它们霍乱毒素后，它们并没有染病。

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Dr Nochi's mice really were protected. When he fed them cholera toxin, they did not get sick.

Nochi博士的老鼠在实验中得到了保护，当喂食它们霍乱毒素后，它们并没有染病。

youdao