...关键词:视觉舒适性;黑板与课桌面亮度比;黑板;作业亮度 [gap=785]Keywords: visual comfort; luminance ratios of chalkboard and desk; chalkboard; task luminance ...
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chalkboard alien 黑板外星人
Chalkboard Car 暂时充当黑板的汽车
Chalkboard Sudoku 黑板数独
Chalkboard Stunts 黑板赛车
Chalkboard Pong 黑板小球
Chalkboard Nausea 黑板恶心
Real ChalkBoard FREE 逼真黑板
SI TU VEUX from CHALKBOARD 单品推荐碎花连体裤 ; 碎花连体裤
N-COUNT A chalkboard is a dark-coloured board that you can write on with chalk. Chalkboards are often used by teachers in the classroom. 黑板 [美国英语]
The instructor writes an important term on the chalkboard, and you dutifully copy it in your notebook.
当老师在黑板上写下一个重要的术语时,你应该认真地把它抄在笔记本上。
Subsequent experiments reproduced this effect with other stimuli, such as the sound of fingernails on a chalkboard and photographs of disgusting insects.
随后的实验利用其它刺激物再现了该结果,如指甲刮擦黑板的声音和恶心的昆虫图片。
黑板上有钉子。
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