黑板的英文是 blackboard,发音是 /ˈblækbɔːrd/。

黑板(blackboard)一词源于18世纪中叶,当时在英国的学校里,老师们会用黑色的石灰涂在纸板或木板上,然后用白色的粉笔在上面写字。由于石灰能吸收空气中的水分,它会在干燥后变成一种黑色的物质,所以这种写字板就被称为黑板。

下面是几个例句:

The teacher wrote the lesson on the blackboard. 老师在黑板上写下了课文。
The students took notes on what was written on the blackboard. 学生们记下了黑板上写的内容。
The blackboard was wiped clean at the end of the class. 课后,黑板被擦干净了。
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最佳回答 2023-01-02