blackboards的例句大全

New blackboards have been fitted up in all the classrooms.

教室里都安装上了新黑板.

How many blackboards are there in this room?

在这个房间里有几块黑板?

Some cleaned the blackboards, others mopped the floor.

有些人擦黑板, 有些人拖地板.

In early times, teachers often use the traditional aids, which mainly include blackboards, models and charts.

在早期, 教师一般使用传统教具, 其中主要包括黑板, 模型和图画(图片)等.

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。