词缀

1. ante- = before 在…前
2. -ent (a.) = -ing 表示性质
3. -or (n.) = person 人
4. pro- = forward 向前
5. -ure (n.) = the manner of 表示行为方式
6. suc-(sub-) = from under 自下而上
7. ac-(ad-) = to 到
8. ex- = out,beyond 外
9. pre- = before 前
10. re- = backward 向后
11. se- = apart 分离
12. con- = thoroughly 彻底地（用以加强词义）