blackboards

[美]/ˈblækˌbɔːdz/
[英]/ˈblækˌbɔːrdz/
词频: 极高

释义

n.用于学校教学的涂有黑色物质并能书写和擦除表面的物体。

例句

the teacher wrote the lesson on the blackboards.

老师在黑板上写下了课程内容。

students often take notes from the blackboards.

学生们经常从黑板上做笔记。

we need to clean the blackboards after class.

我们需要在下课后清洁黑板。

blackboards are essential tools in the classroom.

黑板是教室里必不可少的工具。

she prefers using colored chalk on the blackboards.

她更喜欢在黑板上使用彩色粉笔。

the blackboards were covered with mathematical equations.

黑板上写满了数学方程式。

he drew a diagram on the blackboards to explain the concept.

他在黑板上画了一个图表来解释这个概念。

blackboards can be found in most schools.

大多数学校都有黑板。

we often use the blackboards for group discussions.

我们经常使用黑板进行小组讨论。

the blackboards need to be updated with new information.

黑板需要更新新信息。

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