ject词根的意思是投掷，抛掉，可怜的。ject的例句：Generator units shall have measures to prevent ject fire（对发电机组采取防喷射火灾的措施）。

ject的例句：Students' self-supervision ability in the studies means self-regulation and self-control ability in study activity which sub-ject of study is engaged in（学习自我监控能力是指学习主体对其所从事的学习活动进行自我调节和控制的能力）。