2.20

1，复习

1,corrosive,damage by chemical action

2,courageous..brave.

3,credential,like certificate.

4,denote,represent somehting.

5,detergent, the subject to help clean clothes.

6,excavation,removing earth from ground to find antiques.

7,frenzy,v or n,the state of very angry.

8,imprint,to make a shape by press hard something to it.

9,inert,the state of idle.

10,induce,persuade

11,intuitive,base on your feelings.

12,jelly,the something that your mom like to eat.

13,jolt,upside an down .....

14,lament,express sadness to ..

15,lithosphere,the outer layer of  earth.

16,opposed,bery different

17,overhaul, complete repair.

18,reession,a period that economy is down.

19,replenish,fill something again.

20,squash,crush something into a flat shape.

21,sluggish,move slowly.

22,sensible,wise.

23,substantiate,prove. 

24,substantial,mant.

25,scurry,move quickly with small steps.

26,suburb,an area of edge of a city.

27,vague,not clearly.

28,watercourse,the channel that river flows.

29,allegiance ,loyality.

30,conspicuous,obvious.