blackboard

/ˈblækbɔːd/ (bre, ipa) · /ˈblækbɔːrd/ (ame, ipa) · /ˈblak-ˌbȯrd/ (ame, mw)

blackboard — noun

  • blackboardsingular
  • blackboardsplural

1. a large, dark panel fixed to a classroom wall or resting on a stand, which a tea

1.名詞A2
釋義

a large, dark panel fixed to a classroom wall or resting on a stand, which a teacher or student writes on with chalk — typically made of slate or a similar material

例句

Mr. Chen wrote the math problem on the blackboard with a piece of white chalk.

write + on the blackboard — action of putting text on it

The blackboard at the front of the lecture hall was covered in chemical equations.

同義詞
  • chalkboard

    exact synonym, more common in American English

  • whiteboard

    similar classroom fixture but uses markers instead of chalk

  • board

    shorter, general term — context determines which type

文法句型

the blackboard

on the blackboard

blackboard + noun (eraser, chalk, etc.)

write/put + on the blackboard

clean/erase + the blackboard

用法筆記

In modern classrooms, blackboards are increasingly replaced by whiteboards, but the word is still widely used in a general sense for any wall-mounted writing surface at the front of a class.

常見錯誤

❌The teacher wrote on blackboard.
✅The teacher wrote on the blackboard.
💡you need an article (the/a) or a possessive before 'blackboard' in most contexts.
❌I need a blackboard eraser and chalks.
✅I need a blackboard eraser and chalk.
💡'chalk' is usually uncountable.