所有处在上升阶段的事物都会有衰落的时候。

Everything that goes up has to come down.

youdao

目前，世界石油资源和生产仍处在上升阶段，供大于求，且供应呈现多元化趋势。

At present, world petroleum resources and production are still at the stage of rising, supply exceeds demand, and supply presents the pluralistic trend.

youdao

质子通量在上升阶段增加很快，而在下降阶段相对来说衰减也很快（尤其是在峰值附近）；

The proton flux rises rapidly from background to peak and then declines in a relatively quick way. The same applies to the electron flux.

youdao

If you looked at the antibodies that were present in the blood, for example, you would find that most of those antibodies are IgM during this initial period of antibody concentration rise.

如果你现在观察血液中存在的抗体,举个例子,在初次免疫的抗体浓度上升阶段,你将会发现大部分的抗体都是IgM

耶鲁公开课 - 生物医学工程探索课程节选