blackboards

英 [ˈblækbɔːdz]

美 [ˈblækˌbɔrdz]

n.  黑板
blackboard的复数

柯林斯词典

• 黑板
  Ablackboardis a dark-coloured board that you can write on with chalk. Blackboards are often used by teachers in the classroom.

in AM, use 美国英语用 chalkboard

双语例句

• Mental institutions and electroshock therapy failed to cure him, and for much of the next three decades, Nash wandered freely on the Princeton campus, scribbling idly on empty blackboards and staring blankly ahead in the library.
  精神病院、电击疗法都没能治愈纳什。在随后的三十年间，他游荡在普林斯顿的校园里，或在空黑板上涂鸦，或在图书馆中发呆。
• The process to replace all blackboards with electronic whiteboards can be arduous.
  用电子白板取代所有的黑板会是非常困难的。
• Among them: flowerpots whose color warns when the soil is drying out, blackboards using water instead of chalk that could be erased by a pulse of heat, and even cars that change color in the rain.
  其中包括：当土壤正在变干之时，凭颜色发出警告的花盆；用水笔代替粉笔写字，用热脉冲可以擦除字迹的黑板；甚至包括在雨中变化颜色的汽车。
• Methods Small blackboards were placed on the grassland in the endemic areas of HFRS or tsutsugamushi disease each for 10 minutes. The larvae on the blackboards were counted and their species were identified.
  方法将小黑板放置在肾综合征出血热（HFRS）及恙虫病疫区草地上，10min后取回计算螨数并鉴定螨种。
• In modern society that we advance quality education and promote students 'all-round development, traditional blackboards, hanging charts, slides, projection and video are not enough. So the rapid development of modern educational technology is exactly according to the demand of the times.
  在推进素质教育、促进学生全面发展的当今社会，传统的小黑板、挂图、幻灯、投影、放录像等办法是应付不过来的，现代教育技术的迅猛发展正是顺应时代的召唤。
• These blackboards, chalked with figures, hung in a neat row all along the latticed balustrade of the gallery.
  这些黑地白粉字的“牌子”站得整整齐齐，挂满了楼上那一带口字式的栏杆。
• The optimal control agents communicate and coordinate with diagnosis control agent by means of multiple level blackboards, which combined overall blackboard and local blackboards, and the extended KQML ( Knowledge Query and Manipulation Language).
  通过分层组织的全局黑板模型和局部黑板模型，以及扩充的KQML通信原语，实现了优化控制Agent与诊断控制Agent之间的通信与协作。
• There is a clock, two blackboards in our classroom.
  我们教室有一个钟，两块黑板。
• A piece of chalk ( or similar substance) used for writing on blackboards or other surfaces.
  用来在黑板上或其他表面上书写用的粉笔（或类似的东西）。
• UNICEF is also sending student supply kits, blackboards and generators, as well as warm clothing, boots, wool blankets and school supplies for children in both day and boarding schools.
  此外，联合国儿童基金会还将为寄宿制和非寄宿制学校提供学生用具、黑板、发电机、防寒服、棉靴、毛毯和教学用具等。