英语语法分析

Why Fingernails on Blackboards Sound So horrible?

为什么指甲刮黑板的声音听起来那么膈应？

A half-collapsed school is there, desks and blackboards still in place.

一个已一半坍塌了的学校，教室内的桌子和黑板还在原处。

Mr Lazaridis is shown sketching a BlackBerry in a room lined with equation-laden blackboards.

广告中，在一个摆放着写满方程序黑板的房间里，Lazaridis先生在描绘BlackBerry的蓝图。