而且多次从酶家族P 38激酶中寻求新目标的尝试也失败了，尽管动物试验的结果比较积极。

And several attempts to carve a new target from a family of enzymes called p38 kinases have also failed, despite favourable results in animal models.

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尽管最初的试验失败多次，但科学家仍坚持研究。

Despite the failure of his early experiments, the scientist persevered in his research.

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