blackboard

现在分词：

动词现在分词: blackballing

更多词形：

名词: blackballer | 动词过去式: blackballed | 动词过去分词: blackballed | 动词现在分词: blackballing | 动词第三人称单数: blackballs |

单词例句：

Hard chalk scratches the blackboard.

硬粉笔会把黑板划坏。

He looks at the blackboard absent-minded.

他心不在焉地看着黑板。

His chalk scraped on the blackboard.

他的粉笔在黑板上擦擦作声。

Please raise your head and look at the blackboard.

请抬起头来，看黑板。

The room was furnished with some old tables, a blackboard, and an old stove.

这间房子里有一些旧桌子，一块黑板和一个旧的火炉。

The boy was figured on a blackboard.

这男孩在黑板上做算术。

The teacher's chalk grated on the blackboard.

老师的粉笔在黑板上发出刺耳的摩擦声。

They are writing on the blackboard.

他们在黑板上写字。

The games were scored up on the blackboard.

比赛的得分记在黑板上。