The immune system releases additional white blood cells in the alveoli to help.

免疫系统也会在肺泡中释放出更多的白血细胞去帮忙。

Instead, the PARC team kept refining the hardware and software, culminating in the Xerox Star system, released in 1981.

相反，PARC 团队不断改进硬件和软件，最终在 1981 年发布了 Xerox Star 系统。

But when Robert Langer and Judah Folkman tried to patent this new polymer-controlled release delivery system, they were turned down five times.

但是当罗伯特·兰格和犹达·福克曼试图为这种新型聚合物控制释放输送系统申请专利时，他们被拒绝了五次。

Now, the first night of less sleep may actually trigger the mesolimbic system, releasing dopamine and giving you a sense of adrenaline.

现在，第一个睡眠不足的晚上可能会触发中脑边缘系统，释放多巴胺，让你感觉肾上腺素上升。

Then you enter the third stage, known as deep sleep, when your body repairs your bones and muscles, strengthens your immune system, releases hormones and restores your energy.

然后您进入第三阶段，称为深度睡眠，此时您的身体修复骨骼和肌肉，增强免疫系统，释放激素并恢复能量。