而在没有响尾蛇分布的阿拉斯加，同一品种的松鼠对毒液的反应要剧烈的多，他们的血清中和毒素的能力也大大弱于加利福尼亚的。

But squirrels of the same species from Alaska, where the rattlesnakes are absent, exhibit much greater sensitivity to the venom, and their serum is much less effective at neutralizing the venom.

youdao

而在没有响尾蛇分布的阿拉斯加，同一品种的松鼠对毒液的反应要剧烈的多，他们的血清中和毒素的能力也大大弱于加利福尼亚的。

But squirrels of the same species from Alaska, where the rattlesnakes are absent, exhibit much greater sensitivity to the venom, and their serum is much less effective at neutralizing the venom.

youdao