blackboard

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noun education advancedvocabulary

Paraphrase

分析词义:"Blackboard" 是一个英语单词，意为"黑板"，常用在教育场景。

列举例句:

  • The teacher wrote the homework on the blackboard.(老师在黑板上写下家庭作业。)
  • I could not read what was written on the blackboard. (我看不清楚黑板上写的内容。)
  • The blackboard in the classroom was full of equations. (教室的黑板上写满了方程式。)

    • 词根分析:"Blackboard" 是一个合成词，由 "black"（黑色的）和 "board"（板）两个单词组成。

    词缀分析:没有明显的词缀，是一个由两个词合成的单词。

    发展历史和文化背景:"Blackboard" 源于19世纪的英国，那时候的教室里普遍使用黑色的木板作为教学用具，于是这种物品就被称为"黑板"。现在虽然教室里的板几乎都不再是黑色，但出于习惯，人们还是继续叫它"blackboard"。

    单词变形:"Blackboard"没有明显的词形变化。

    记忆辅助:可以想象黑板上书写饱满的公式或内容，以此帮助记忆。

    小故事:In the quiet classroom, the teacher, Miss Smith, picked up the chalk and started writing on the blackboard. (在安静的教室里，史密斯老师拿起粉笔，开始在黑板上写字。)

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