人人都佩服她的耐心和永不衰减的好脾气。

Everyone admired her patience and unfailing good humour.

《牛津词典》

他发现，声音回声衰减的时间长短取决于周围物质对声音原始能量的吸收。

He found that the length of time it takes a sound's echo to decay is determined by the absorption of the sound's original energy by surrounding material.

youdao

分布最终是衰减的，但是需要很长时间。

Eventually it'll decay, but it may take a long time.

youdao

So, that was a naturally occurring attenuated virus that could be produced into a vaccine that didn't cause the disease.

因为天花病毒存在天然的衰减病毒,这种衰减病毒可以用来,直接生产不致病的疫苗

耶鲁公开课 - 生物医学工程探索课程节选

So this squared at the origin is going to be a very high probability, and it decays off as you get farther and farther away from the nucleus or from the center, and that's independent of the angle.

所以这个平方,在原点处非常高，随着离核子的距离,越来越远,它逐渐衰减，并且它和角度是没有关系的。

麻省理工公开课 - 化学原理课程节选

Remember that the lucky thing about the smallpox vaccine was that a naturally occurring attenuated form of the smallpox virus variola called vaccinea was found.

对于天花病毒来说,幸运的是,存在一种自然发生的,被称作痘苗病毒的,天花病毒的衰减疫苗

耶鲁公开课 - 生物医学工程探索课程节选