adj.下降的；衰落的
动词decline的现在分词.
Dementia is a condition of declining mental abilities, especially memory. 老年性痴呆是指脑功能下降的一种状态，特别是记忆力下降。
The government was accused of propping up declining industries. 人们指责政府贴补日趋衰落的产业。
