词根信息

词根: pos / pon / pose 来源: 拉丁语 ponere(放、放置、安置) 变体: pos-, pon-, posit-, posite, -pose 关联词根: miss(发送)、port(运送)


pos / pon / pose — 放、放置

核心含义

拉丁语 ponere = to put, to place, to set。这是英语中派生词最多的词根之一——前缀决定”怎么放”,pose 决定”放”本身。

派生词网络

Tier 1 — 雅思高频核心(必须掌握)

单词拆解字面义实际义
positionpos(放) + -ition(名词)放置的位置位置、职位、立场
purposepro-(前→古法语) + pos(放)放在前面的东西目的、意图
proposepro-(前) + pose(放)放在前面提议、建议、求婚
opposeop-(=ob,反) + pose(放)反着放反对、对抗
composecom-(一起) + pose(放)放到一起组成、创作(音乐/文字)
exposeex-(出) + pose(放)放出去暴露、揭露、接触
imposeim-(=in,上) + pose(放)放在上面强加、征收(税)
supposesup-(=sub,下) + pose(放)放在下面(作为前提)假设、认为
depositde-(下) + posit(放)放下来存放、存款、押金

Tier 2 — 重要扩展

单词拆解字面义实际义
disposedis-(分开) + pose(放)分开摆放处理、处置、使倾向于
postponepost-(后) + pone(放)放到后面推迟、延期
opponentop-(反) + pon(放) + -ent(人)反着放的人对手、反对者
componentcom-(一起) + pon(放) + -ent放在一起的部分组成部分、零件
compositioncompose + -ition组成的方式组成、作文、作曲
proposalpropose + -al提议的行为/内容建议、提案
exposureexpose + -ure暴露的状态暴露、接触、曝光

例句(IELTS 场景)

  • positionThe company holds a leading position in the global market.
    • 写作 Task 2 / 阅读:take a position on / in a position to
  • purposeThe purpose of this essay is to examine the impact of social media.
    • 写作 Task 2 开头段:the purpose of this essay/report
  • proposeSeveral solutions have been proposed to address the housing shortage.
    • 写作核心动词:it has been proposed that / as proposed by
  • opposeMany people opposed the construction of the new highway.
    • 写作 Task 2 讨论分歧:be opposed to / strongly oppose
  • composeThe committee is composed of experts from various fields.
    • 写作:be composed of = consist of(更正式)
  • exposeExposure to diverse cultures broadens one’s perspective.
    • 写作/口语:be exposed to / exposure to
  • imposeThe government imposed a tax on single-use plastics.
    • 写作 Task 2 政策类话题核心词:impose a tax/ban/restriction on
  • supposeIt is widely supposed that the main cause of obesity is poor diet.
    • 写作引出普遍观点:be supposed to / supposedly
  • depositA security deposit is usually required when renting an apartment.
    • 听力 Section 1 租房场景
  • disposeProper disposal of electronic waste is an growing environmental concern.
    • 写作环境话题:dispose of / waste disposal
  • postponeThe event had to be postponed due to unforeseen circumstances.
    • 听力/口语:postpone = put off(更正式)
  • opponentOpponents of the policy argue that it would stifle innovation.
    • 写作 Task 2 讨论对立观点核心词
  • componentRenewable energy is a key component of a sustainable future.
    • 写作:an essential / key / major component of

常见搭配速记

搭配含义场景
the position of…的位置/职位写作/阅读
for the purpose of为了…写作(正式)
on purpose故意口语
on the opposite side在对面/反方写作
be composed of由…组成写作 Task 1
be exposed to暴露于/接触到写作/口语
impose a ban on对…实施禁令写作 Task 2
be supposed to应该/被认为写作/口语
dispose of waste处理废物写作环境话题
a key component关键组成部分写作

前缀拆解公式

[前缀] + pose/pos/pon

pro- 前   + pose → propose     提议(放在前面)
re-  后   + pose → repose      休息(放到后面→躺)
op-  反   + pose → oppose      反对(反着放)
com- 一起 + pose → compose     组成(放到一起)
ex-  出   + pose → expose      暴露(放出去)
im-  上   + pose → impose      强加(放在上面)
sup- 下   + pose → suppose     假设(放在下面当基础)
dis- 分开 + pose → dispose     处理(分开摆放)
de-  下   + posit → deposit    存放(放下)
post-后   + pone → postpone    推迟(放到后面)
op-  反   + pon  + ent → opponent 对手(反着放的人)
com- 一起 + pon  + ent → component 组件(放在一起的部件)

易混辨析

  • propose vs purpose:propose = 提议(动词),purpose = 目的(名词)——拼写差一个位置,写作别写混
  • compose vs consist:be composed of = consist of(可互换,前者更正式)
  • oppose vs object to:oppose + noun/doing,object to + noun/doing(object 不需要 be 动词)
  • expose vs impose:expose = 暴露(把覆盖物去掉),impose = 强加(把东西放上去)
  • dispose vs dispose of:dispose sb to = 使某人倾向于,dispose of = 处理掉

相关词根

  • miss(发送)→ submit, admit — “放”和”送”都是让某物去到某处
  • port(运送)→ transport, import — “移动到某处”和”放置在某处”语义相邻