downgrades的音标？

v.使降低，使降级( downgrade的第三人称单数 )...

He often downgrades people he does not like.他常常贬低自己不喜欢的人.However, Dow Jones has downgrades have increased its boworring cost borrowing costs.但是, 信用度降低增加了它的贷款成本.Mitsubishi Tokyo Financialpuorgwas a key decliner after fore...