[shuāi tuì]
fail; decline; decay; rust; ruin; downturn; retrogression; retrogradation; recession; rustiness; dropoff; atrophy; dying out; clin-, clino-
be losing one's memory
记忆力衰退
economic recession; economic downturn
经济衰退
failing eyesight
视力衰退
citrus decline
柑桔衰退病
Hearing sensitivity declines with age.
听觉因年老而衰退。
His health is declining.
他的健康日渐衰退。
His sight is beginning to fail.
他的视力开始衰退。