【ject】
"throw, cast" "投掷，扔"
|adjective=ad+ject a.从属的 n.形容词
ad-“加强”
eg：Adjective plays a very important role in a sentence.
|conjecture=con+ject n.推测 v.推测
con-“一起”
eg: He conjectured that there was major calamity.
|deject=de+ject v.使...沮丧；a.沮丧的
de-“向下”
eg：I've learned never to deject in spirits from my father.
【词汇扩展】
rejection n.抛弃；拒绝
subjection n.服从
inject v.注入，注射
ejection n.喷出；排出物
（以上均来自《200个一定要学的英文词根词缀》一书）
