钱博士又改良了染色颗粒使之对其他的分子也能产生作用，比如被称作凝血酶的血液凝固因子。

And Dr Tsien has even modified the dye to respond to other molecules, such as a blood-clotting factor called thrombin.

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维生素K是血液健康的必备，它能在伤口流血时起到凝固血液的作用。

Vitamin K is needed for healthy blood.

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血小板是在血液凝固中发挥关键作用的血细胞，还能携带某些血液因子促进伤口愈合。

Platelets are blood cells that play a crucial role in blood clotting, and also carry certain blood factors that contribute to wound healing.

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