After mimicking the recipes, the scientists are now running stress tests on their new old plastics with an eye toward artificial aging tests down the line.

在模仿配方后，科学家们现在正在对他们的新旧塑料进行压力测试，并着眼于未来的人工老化测试。

A 2014 study seeking potential methods to diminish the effects of sarcopenia, the process in which we lose muscle mass due to aging, tested exactly for this.

为寻求解决肌少症，即肌肉群因年龄原因萎缩，一项 2014 年的研究对此进行了试验。