They're making that because you need this protein insulin, it's a hormone, and it's important for sugar metabolism in your body.

它们产生胰岛素蛋白是因为你需要它,胰岛素是一种激素,它在糖代谢中起着非常重要的作用

耶鲁公开课 - 生物医学工程探索课程节选

You need insurance on both parents because both parents are contributing to the success of the children.

之所以父母双方都要购买保险,是因为父母双方都对,孩子的成长起着重要的作用

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It plays a big role in gravitation, in the Coulomb interaction.

它在引力和库仑力中都起着重要的作用

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These signaling proteins play important roles in determining how many cells differentiate down particular pathways and they turn out also to be very useful for treating diseases of those pathways.

这些信号蛋白在决定特定分化路径上,有多少细胞在分化时起着重要作用,且在治疗疾病方面也很有用,同样也是利用这些机制

耶鲁公开课 - 生物医学工程探索课程节选

Example, protein hormones are insulin which we've talked about before and glucagon, and growth hormone which we haven't talked about but that's very important during periods of life like adolescence, when rapid growth of your bones is occurring.

例如,我们以前讲过的胰岛素,还有胰高血糖素都是蛋白质激素,生长激素也是,尽管我们还没有讲过它,但它在人的青春期阶段,起着非常重要的作用,骨骼在此时期快速生长

耶鲁公开课 - 生物医学工程探索课程节选