柯林斯英汉双解大词典
blackboard /ˈblækˌbɔːd/ CET4 TEM4
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1.
N-COUNT A blackboard is a dark-coloured board that you can write on with chalk. Blackboards are often used by teachers in the classroom. 黑板
例：The menu was on a blackboard.
菜单在黑板上。
双语例句原声例句权威例句
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菜单在黑板上。
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He chalked the message on the blackboard.
他用粉笔把这条消息写在黑板上。
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On a blackboard, he drew five concentric circles.
他在黑板上画出五个同心圆。
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lessons that appear on an electronic blackboard, and range from basic addition and advanced calculus to science and finance.
VOA: standard.2010.03.26
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I've been using the blackboard a little ad hoc here, but suppose I neaten things up here now and present this rectangle is let's say R RAM, the memory inside of your computer.
我在这里特别地使用这块黑板，假如我整理这些东西，把它们呈现,这个长方形，假如说就是内存，你电脑的内存。
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You have to touch each of the 16 elements once as I go across the blackboard to actually merge them together, alright.
为了将这16个元素,合并到一起,对每个元素都只会用到一次。
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