downgrade

中文： 降级、贬低、简化

1. To place lower in position. · The stock was downgraded from ‘buy’ to ‘sell’.
2. To reduce in complexity, or remove unnecessary parts; to dumb down.
3. To disparage. (transitive)
4. to reduce the official estimate of a storm's intensity.
5. To revert software back to an older version.

He/she/it downgrades · 过去式 downgraded · 过去分词 downgraded · -ing形式 downgrading