| 释义 |
black·boardBrE /ˈblækbɔːd/NAmE /ˈblækbɔːrd/ (also chalk·board especially in NAmE) nouna large board with a smooth black or dark green surface that teachers write on with a piece of chalk 黑板◆to write on the blackboard 在黑板上写字 ➡ compare whiteboard (1) |