1，复习。
1,consent,admission.
2,contrast,difference.
3,copious,enough.
4,crusade,..long and determined strive.
5,custom,.......
6,detectable.can be noticed.
7,edifice,mansion
8,equation,mathematical
9,fellowship,a group of people with same purpose.
10,flint ,stone that make fires.
11,horde,/hɔːrd/a group of people.
12,infest,to cause problem by lagre numbers.
13,nomadic ,[noʊˈmædɪk] a style of life style by moving one place to another place with water and weed.
14,parameter,/pəˈræm.ə.t̬ɚ/,it is hard to explain.
15,pathology,/pəˈθɑː.lə.dʒi/,scientific study of disease.
16,plaster,alike cenment.
17,quench,to stop your thirsty.
18,salmon, a kind of fish
19,sheer,
adj1,used to explain how great
adj2,extremely steep
20,spiral,shape made of curves
21,stratum,the meaning of class insocial
22,unadorned,plain.
23,analogy,comparison to find same point.
24,appraisal,access.
25,artefact, something made by hands
26,attire,clothes.
27,cohesion,the situation that everyone is uniterd
28,combustible,able to burn
29,dutile,a ductile meat is easily to stretch.
30,epidemic.....a disease infest mang people at the same time.
24,