推荐回答(5个)
1.pro-:
2.pre-
3.pro和pre有什么区别:
-
从英文意思上:
前缀pro-是“forward,
forth, out”的意思,表示“向前”,有一个往前的动作趋势,前缀pre-是“before, in
front”的意思,只是表示在某事物的“前面”或“预先的”,而没有“向前”这个动作趋势。
举几个简单的例子:
progress 进步(pro+gress走→向前走)
promote 促进;提升 (pro+mote动→向前动→促进)
protrude 向前突出(pro+trude突出→向前突出)
propel 推进(pro+pel推→向前推)
preschool 学龄前的(pre+school学校→上学前的)
precede (在时间上)先于,早于(pre+cede走→走在前面→[时间上]先于)
precipice 峭壁(pre+cipice头→在前面是尽头→峭壁)
prebuilt 预制的(pre+built建造)
【括号里补充的单词的构词法,也是单词的记忆法哦,以后记单词可以把单词拆分,通过词缀和词根的意思解释来记忆。】
补充说明近似词缀:
3.pri-:
前缀pri-来源于拉丁语的这几个形容词“prim.us”, “prim.a”,
“prim.um”
表示“第一的”的意思,和“pri.or”, “pri.or”,
“pri.us”,是“优先的”的意思,还来源于拉丁语名词principium。
表示“首要的”的意思,例如这个单词:primary
adj.首位的,主要的。
举例同前缀单词:
prima adj.第一的,主要的
prime adj.首位的,主要的
primitive adj.原始的,远古的,早期的
prior adj.在前的;优先的
pristine adj.原始的;早期的,首位的
4.per-:
前缀per-来源于拉丁介副词per
基本意思是“通过(through)”,由此又引申出具有加强意义的“贯穿(throughout)、彻底(thoroughly)”及含有贬义的毁坏(to
destruction)等意思。
per-除上面的意思外,还有“集中的(intensive), 虚伪地(falsely),
过度的(excessive), 在...旁边(by), 通过...手段(by means of)"等含义。
举例:
persevere忍耐;坚忍不拔;坚持不懈
perpetual永久的,永远的;无休止的,连续不断的
persist固执;坚持
所以,综上所述,这几个前缀真的很好区分,意思都不大相同:
pri 表示“首要的”;
pro 表示“向前的”;
pre 表示“在...前面的;预先的”;
per 表示“通过”等。
二者有相近之处,但也有不同,具体如下
1、词根Pro-有"向前"、"很多"、"赞同"等意思。
① 表示“向前,在前”,如:progress 进步(pro+gress走→向前走);prologue 前言,序言(pro+logue说→在前面说→前言);protrude 向前突出(pro+trude突出→向前突出);propel 推进(pro+pel推→向前推);prospect 景象,前景(pro+spect看→向前看→前景)
② 表示“很多…”,如:profit 利润,收益(pro+fit做→做很多→做得好→利润);prosperous 兴旺的,繁荣的(pro+sper希望+ous→希望很多→兴旺的);
③ 表示“赞同,亲…”,如:pro-American 亲美的;proslavery 赞成奴隶制的(pro+slavery奴隶制);proabortionist 赞成堕胎者的(pro+abortion堕胎+ist)
2、词根pre-表示“….前的,预先”,如:preschool 学龄前的(pre+school学校→学校之前的→学龄前的);prehistory 史前(pre+history→历史之前的→史前的);prepay 预付(pre+pay→付款→预先付款)
词根:pre-表示“….前的,预先”,如:prehistory 史前;prepay 预付;prebuilt 预制的;
词根:Pro - 表示① “向前,在前”,如:propel 推进;provident 顾及未来的,有远见的;
② 表示“很多…”如:profuse 大量的,丰富的;prolific 多产的,多育的;
③ 表示“赞同,亲…”如:proslavery 赞成奴隶制的。
还有,这几个词根完全是不同的发音,其实自己只要稍加留意就能区分。
per的发音为【pə'】,pre的发音为【prɪ'】,pro发音为【pro】,你可以找几个单词对比一下。
祝学习愉快!
pro是prior的缩写,意思是:先前的,较早的,优先的,更重要的
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