Pollution of the wound track was serious too.

另外，肢体爆炸伤的伤口污染也很严重。

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Then they labeled cells in even earlier embryos to track where they wound up.

他们还对更早期的胚胎细胞进行标记跟踪，以确定移植的细胞如何愈合。

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Then they labeled cells in even earlier embryos to track where they wound up.

他们还对更早期的胚胎细胞进行标记跟踪，以确定移植的细胞如何愈合。

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