Something that is detrimental to something else has a harmful or damaging effect on it.
例句
...foods suspected of being detrimental to health...被怀疑有害健康的食品The government's policy of high interest rates is having a detrimental effect on industry.政府的高利率政策正对工业产生不利影响。
英汉词典释义
adj.
有害的, 不利的
Poor eating habits are detrimental to health.不良的饮食习惯对健康有害。
英英词典释义
Adjective
1. (sometimes followed by `to') causing harm or injury;
"damaging to career and reputation""the reporter's coverage resulted in prejudicial publicity for the defendant"