时间:2018-12-18 作者:英语课 分类:英国学生科学读本


英语课

   情景对话:


  Walter: Not hydrofluoric. 氢氟酸就不会。
  Jesse: Why not? 为什么不会?
  知识点笔记:
  hydrofluoric 氢氟酸
  1. 确定辅音
  相对来说,辅音变化最少。
  单词中 h,dr,fl,r 和 c,
  都没有特殊和奇怪的发音。
  2. 猜元音发音
  hydro- 表示“水”的词缀
  hydro ['ha?dr?]
  fluoric [flu'?r?k]
  查字典前,猜错也没有关系~
  3. 查字典对照正确发音
  hydrofluoric 氢氟酸
  [,ha?dr? flu'?r?k]
  当我们记下发音的同时,
  也一定程度记住它的拼写。
  4. 思考,记忆
  我们再来练习一个难词:
  Polyethylene
  “聚乙烯”要怎么读?
  还是先来确定辅音:
  这里 p, l, th 都是标准发音,
  容易出现问题的是:ne
  猜一下 po, lye, thy 的发音,
  剩下 lene 有可能集中发音,
  但也先来才一个试试。
  对照一下字典上正确的发音:
  Polyethylene 聚乙烯
  /?p?l???θ??li?n/
  在 polyethylene 这个词里:
  Poly- 表示“多”的词缀
  再列举几个不同的词缀:
  uni- 表示“一个”
  比如:unique 独一无二的
  duo- 表示“两个”
  tri- 表示“三个”
  比如:triangle 三角形
  quart- 表示“四个”
 

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