| 单词 | blackboard |
| 释义 | blackboard /blak"bawrd', -bohrd'/, n. a sheet of smooth, hard material, esp. dark slate, used in schools, lecture rooms, etc., for writing or drawing on with chalk. Also called chalkboard. Cf. greenboard. [1815-25; BLACK + BOARD] |
| 随便看 |
英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。