And over time, the treatment returned the mice's dopamine levels and movement ability to normal.

随着时间的推移，治疗使老鼠的多巴胺水平和运动能力恢复正常。

It happens when your cells try to return sodium levels to normal by absorbing the extra water and swell up like a water balloon in the process, causing complications like confusion, vomiting and muscle spasms.

当你的细胞试图恢复到正常的含钠量时，它就会吸收这些多余的水，在这个过程中细胞会像注满水的气球一样。这样会引发头脑混乱、恶心呕吐和肌肉痉挛。

Within 35,000 years, the plant cycle removes the last traces of lead left by the Industrial Revolution from Earth's soil, and it may take up to 65,000 years beyond that for CO2 to return pre-human levels.

三万五千年年以内，植物循环将从地球土壤中清除工业革命留下的铅的最后痕迹，而二氧化碳可能需要六万五千年才能恢复到人类出现之前的水平。