Telomeres are protective caps on the end of our chromosomes which shorten over time.

端粒是染色体末端的保护帽，随着时间的推移会缩短。

Time also gradually shortens the telomeres that act as protective caps for our DNA-containing chromosomes.

时间也会逐渐缩短端粒的长度，端粒是我们DNA染色体的保护帽。

The protective cap pops back on in a basic (or alkaline) environment.

保护帽在基本（或碱性）环境中弹回。

And think about it like the protective caps at the ends of your shoelace.

把它想象成鞋带末端的保护帽。

Under acidic conditions, that protective cap falls off to expose the sticky, catechol-based substance.

在酸性条件下， 保护帽会脱落， 露出粘稠的儿茶酚基物质。

It's a really great model because not only is the blade sharp but it comes with a little protective cap.

这是一个非常棒的模型，因为不仅刀片锋利，而且还带有一个小保护帽。

Stress Ages You Faster: Chronic stress can lead to accelerated cellular aging, as shown by shorter telomeres - the protective caps at the end of our chromosomes.

7. 压力让你衰老得更快：慢性压力会导致细胞加速衰老，端粒变短就表明了这一点——我们染色体末端的保护帽。