1.复习
1，stash,store.
2,tarnish,1,make metal become less bright;
2,make someone 's fame become damaged;
3,timber,trees used for buildings;
4,antibiotic,medicine for damaging bacteria;
5,daisy,a flower that white petals and yellow kernel；
6,equitable,treating everyone in the same way;
7,fossil,the shape of animal reserved in rocks;
8,fresco...湿壁画..
9,frivolity,the silly behaviour;
10,hazel,臻子。
11，hue,color;
12,mottled,covered with different colors so make vague.
13,prescribe,a doctor giving a plan of your drugs;
14,regenerate,.make it better by making it active.
15,embellish,making something beautiful by decorating it.
16,tundra,a lang is very cold.
17,voracious,very hungry for..
18,abound,exist in large number.
19,bellows,a tool used to blow..
20,facade,the front of the buildings.正面
21,haste,hurry..'
22,indispensable,intergral,can not without.
23,inflammation,the red ,swollen part of your body..
24,irreverent,not showing respect for the official.
25，maglev,磁悬浮
26，maize,the original popcorn,
27,silicate,硅酸盐。。。。
28，slog,work hard over a long period.
29,ambience,the character of one environment.
30,arthritis, a serious condition in person's joints.