今日词根：poly      prim      homo/hom     dis

poly： comes from polys ,the Greek word for ""many "许多

polytechnics             polygamy         polyllabics

polyp :this word comes from Greek means literaly "many-footed "珊瑚虫，息肉

polyglot :通晓多种语言的或通晓多种语言的热one who can speak or write several languages /having or saving several languages

通晓多种语言的或通晓多种语言的热，既是形容词，也是名词polyglot contains the root "glot" simplely means "language ",so ,the meaning of the word is easy to guesss .It's used both as an adjective and as a noun

polymer :聚合物，多聚物

polygraph :测谎仪，扫描仪

prim :comes from Primus ,the Latin word for "first "源于拉丁语的词，意思是首先，第一

primary :something primary is first in time ,rank or importance .基础的，小学的

primitive : 基础的，原始的                          primeval :     原始的，太古的，太初的

primal :原始的，首位的，根本的

primal generally describes something powerful and almost instinctual 通常偏向于本能的意思

primer :启蒙读本，入门书

primate :any member of the group of animals that includes human beings ,apes and menkey .灵长类，第二个意思是大主教，总主教

primodial :原生的，原始的first created or developec /exsiting in or form the very beginning

primordial impulses本能冲动

homo /hom ,comes from homos ,the Greek words for "same "which in English words also mean "similar "来自拉丁语，意思是：“相似的”

homograph :同形异义one of two or more words pronounced and /or spelled alike but different in meaning

homogeneous :同性质的，同类的 of the same or a similar kind /of uniform structure or composition throughout (hommogeneity )

homologous :同源的，类似的from the same or a similar remote ancester

homoginize :使雷同，使均质to change so that its parts are the same or similar

dis :dis comes from Latin ,where it means "apart ".in English ,its meanings have increased to include "opposite "or "not "deprive  of "or "exclude or expel from "相反的或者否定，夺去或排除

dissuade :劝阻to convince sb not to do something

dissuade is the  opposite of persuade （dissuade和persuade是反义词）

eg例 :A warning on a cigarrate pack almost never dissuades a real smoker to have his next cigarrate .

disorient:迷路to cause to be confused or lost

the orient is the East（orient是东方东亚） ,the Occident is the West （occident是西方，西洋）

orient comes  from the  word meaning "to rise "(like the sun )太阳升起的地方就是东方，太阳是重要的指引方向的物体

eg :it is easy for a hiker to become disoriented when an overcast cloud hides the sun .对于徒步旅行的人来说阴云密布的天气容易迷路

discredit :使。。。被怀疑，败坏名声to cause sb or sth to seem dishonest or unture /to damage the reputation of someone

dislodge 驱逐，把...逐出:to force out of a place ,especially a place of rest ,hiding or defense

lodge :a kind of rooming house or a hotel ,thus ,dislodge means removing a person or thing from where it been staying .（lodge是房子或旅馆的意思，dislodge这个词更偏向指把。。从可以休息，隐藏的地方逐出去）