（十）        erode, erosion; erodible/erosible, erosive, erosional;
(1)        The raging flood waters eroded the fertile farm land. （汹涌的洪水侵蚀。。。）
(2)        Rising prices might erode purchasing power. （损害）
Jealousy is eroding our friendship.
(3)        Water is an erosional agent. /an erosional lake; （侵蚀湖）
This is erosible soil.      The sea water is erosive.

（十一）repress, repression; repressible, repressibility, irrepressibility; repressive, repressed;
（1）I could hardly repress my laughter when I heard the joke.
To repress one’s anger/child;
(2)to repress a revolt/disturbance;
(3) racial/political/sexual repression;
(4) a repressed child; repressed desires;
(5) take repressive measures to prevent a rising of the people;
Under the general’s repressive regime;

（十二）reside, residence, resident n./adj., residential;
(1)        The family have resided abroad for many years.
(2)        Her charm resides in her smile.
(3)        The power to make/change the law reside in the Parliament/Congress.
The responsibility for decision-making resides in the director.
(4)        They are Western correspondents resident in Moscow.
Resident students; a resident doctor; the resident population of a town;
(5)        This is a residential course. , This is a very beautiful residential quarter/area.
the residential qualifications for voters;

Thank you very much~

谢谢共享资料....