英语降级词的标志

①debase [dɪ'bes]

vt. 降低；使…贬值；

掺杂（强调价值或性质的丧失，

尤其是道德标准的沦丧）

②degrade [dɪ'ɡred]

vt. 贬低；使……丢脸；

使……降级；使……降解

vi. 降级，降低；退化（级别的下降）

例句：

Transform Degrade

变换降级

To reduce in rank or rating;demote.

使降级降低级别或降级；使人降级

To reduce in rank;demote.

使降职，使…降级

He was degraded from the class.

他被降级了。

To degrade and reduce the degree of rank

贬谪降级

To reduce in grade, rank, or status; emote.

使降级，使降等在级别或地位上降低；使降级。

He was busted for being absent without leave.

他因擅离职守而被降级。

'downgrade, to (a loan)'

(对某一贷款)降

Mr. Hunt was given an Irishman's promotion last year.

亨特先生去年被降级了

Reduction of an embassy to a liaison office

大使馆降级为联络处

v. 降低，贬低；（使）降解；（使）退化；（使）降级

The captain is degraded for disobey order.这个上尉因不服从命令而被降级。

He was degraded from the class.他被降级了。

Ecological degradation mainly includes degradation of terrestrial and aquatic ecosystems.生态退化主要包括陆地生态系统和水域生态系统的退化。