It peaks in young adulthood, levelsout for a period of time, and then generally starts to slowly decline as we age.
它在青年时期达到顶峰，在一段时间内趋于平稳，然后普遍会开始随着年龄的增长而缓慢下降。
2
In between the stairways, the Levytator levelsout as a moving walkway.
在楼梯之间，Levytator电梯平稳的像一个移动的走道。
3
Freshmen are showing up already stressed out, according to the latest research study that reported students' emotional health levels at their lowest since the survey started in 1985.