downgrade

释义

vt. 降低, 贬低\nn. 下坡\na. 下坡\nadv. 下坡 on the downgrade 在走下坡路；衰落；每况愈下

例句

Hurricane Bob has been downgraded to a tropical storm.

飓风 “鲍勃” 已被降级为热带风暴。