减退 drop; go down; abate; subside; decrease; decelerate; fall off; decline; retrogression; catadrome 热度减退 one's fever has abated; one's fever has come down; 视力减退 one's eyesight is failing; 他对这门学科的兴趣逐渐减退。 his interest in this subject gradually decreases. 年龄使他的体力和精力逐渐减退。 age brought a gradual diminution of his strength and energy.; (疾病) 减退期 myosis; miosis