Downgraded
v. 使降低, 使降级( downgrade的过去式和过去分词 )
✅ 同义词
🗣️ 情景例句
You should use 'officer' to address a policeman.
你应该用 'officer' 来称呼警察。
Know something of everything and everything of something.
既要有一般常识，又要有专业知识。
I have a headache, and she has a stomachache.
我头疼，她胃疼。