它只是平稳缓慢地运行吗？

Is it just plain slow?

youdao

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。

It peaks in young adulthood, levels out for a period of time, and then generally starts to slowly decline as we age.

youdao

狄肯开始缓慢而平稳地推着轮椅。

Dickon began to push the wheeled chair slowly and steadily.

youdao

Again, deep breath in; slow, gentle, quiet breath out.

再一次深深吸气;,缓慢，平稳，安静地呼气。

哈佛公开课 - 幸福课课程节选

Slow, gentle, quiet, calm exhalation.

缓慢，平稳，安静，平静地呼气。

哈佛公开课 - 幸福课课程节选

Deep, slow, gentle, quiet exhalation.

深深缓慢，平稳，安静地呼气。

哈佛公开课 - 幸福课课程节选