The workers have long been in a state of subjection to their employer's strict control.

### 解释 subjection 是名词，由动词 subject（使服从）加上名词后缀 -ion 构成。subject 本身由前缀 sub-（表示"在...之下"）和词根 ject（投掷、放置）组成，字面意思是"置于...之下"。subjection 指"被支配、服从的状态"。