1. This forum for communication removes the visual barriers that hinder some students from expressing themselves.
    同时又为他们提供了相互交流的场所。

2. The brains of children in the study were scanned while being presented with a simple visual puzzle.
    研究中，给孩子们看一道简单的视觉难题，同时对其脑部进行扫描。

3. Her designs have a strong visual appeal.
    她的设计在视觉上很有感染力.

4. Here only oral instruction; there not only that, but textbooks, dictionaries and visual aids.
    一边只是口头讲解；另一边不仅如此，还有教科书、字典和直观教具。

5. More and more, doctors will use visual information about your condition from computers, instead of textbooks, for diagnosis and treatment.
    医生们将不再依靠教科书，而是越来越多地运用来自电脑的有关病人身体状况的直观信息进行诊断和治疗。