blackboard

blackboard的音标是[ˈblækbɔːd]，基本翻译是黑板，速记技巧可以是利用谐音法快速记住它的发音。可以这样速记：布莱克伯伯（black）去河边（board）洗澡。

Blackboard这个词的词源可以追溯到古英语中的“blac”和“boord”，意为“black board”。它的变化形式包括复数形式“blackboards”，过去式“blackboarded”和现在分词“blackboarding”。

相关单词：

Blackboard 黑板：教室中常用的教学工具，用于书写和展示。

Chalkboard 粉笔黑板：使用粉笔作为书写工具的黑板，通常用于教学或展示。

Slateboard 石板黑板：一种较古老的黑板，使用石板作为书写表面。

Whiteboard 白色黑板：一种新型的黑板，通常用于会议、讨论或教学，具有更高的清晰度和可擦除性。

Blackboardroom 黑板室：通常指用于教学的教室，使用黑板作为主要教学工具。

Blackboardscoring 黑板计分：在体育比赛中，使用黑板或电子设备进行计分。

Blackboardscraper 黑板刮刀：一种用于清理黑板表面的工具。

Blackboardpen 黑板笔：一种用于在黑板上书写的笔。

Blackboardcalligraphy 黑板书法：一种使用黑板笔在黑板上书写的艺术形式。

以上这些单词都与黑板这个教学工具有关，随着科技的发展，黑板的形态和应用也在不断变化和扩展。

常用短语：

1. blackboard writing - 在黑板上写字

2. blackboard cleaner - 黑板清洁剂

3. blackboard eraser - 黑板擦

4. write on the blackboard - 在黑板上写字

5. clear the blackboard - 擦掉黑板上的字

6. blackboard chalk - 粉笔

7. write on the blackboard regularly - 定期在黑板上写字

双语例句：

1. I always write my homework on the blackboard before going to bed.

2. Use the blackboard cleaner to make the board look clean again.

3. Can you help me erase the blackboard? I can"t see the board clearly.

4. The teacher wrote the lesson on the blackboard clearly.

5. I like to write my ideas on the blackboard in class.

6. The blackboard chalk is getting dry, I need to buy some more.

7. We should write regularly on the blackboard to help us remember things better.

英文小作文：

The blackboard is an essential tool in our classrooms. It provides a platform for teachers to communicate information to us, and it"s also a place where we can write down our own notes or ideas. I remember when I was in elementary school, I would often write my homework on the blackboard before going to bed, so that I could review it the next day.

The blackboard is also a place where we can see how much we"ve learned over time. By looking at the chalky marks on the board, we can see how our knowledge has grown and evolved. It"s a constant reminder of our progress and how far we"ve come. Additionally, the blackboard is a great way to engage students in discussions and interactive activities, as they can easily see and reference the information on the board while engaging in conversation with their peers.

Overall, the blackboard is an indispensable tool in the classroom that plays a crucial role in teaching and learning. It provides a platform for communication, helps us retain information, and encourages active learning among students.