n.降級(jí)；下滑
動(dòng)詞downgrade的現(xiàn)在分詞形式.
Downgrading your firmware requires special equipment. 降級(jí)的固件需要特殊設(shè)備。
For those now staying at less expensive properties, the downgrading brings some discomforts. 對(duì)那些現(xiàn)在改住較便宜飯店的高階主管來(lái)說(shuō)，飯店降級(jí)使得住起來(lái)不再那麼舒服。
