They have gone through the test of life and death.

他们经历了生与死的考验。

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Animal pathogenicity test showed it could cause white mouse and goldfish to death.

动物致病性试验表明，该菌对小白鼠和金鱼有较强的致病性，可引起其死亡。

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Animal pathogenicity test showed it could cause white mouse and goldfish to death.

动物致病性试验表明，该菌对小白鼠和金鱼有较强的致病性，可引起其死亡。

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