Students will complete the visual discrimination exercise from the All Aboard book (new edition p. 6, old edition p. 8) to make sure they focus on details.

学生完成书本上的所有看图说话的练习（新版第6页，老版第8页）。注意一定要注重细节。

youdao

Using the same rapid visual discrimination task, we found that only with more than six hours of sleep did people's performance improve over the 24 hours following the learning session.

在采用同一种视觉快速分辨任务做研究时，我们发现，在研究对象经过24小时的学习阶段后，只有获得超过6小时的睡眠时，其行为表现才会有所提升。

youdao

We will then have an objective measure of how colour discrimination and visual acuity develop at the level of the brain.

我们随后将进行一项客观的测量，看色彩辨别力和视觉敏锐度如何在大脑的层面形成。

《柯林斯英汉双解大词典》

Recognise that people with a visual impairment will need specialist help to find work and that discrimination must be stamped out.

BBC: Wales

Barriers to finding work include the fact that people with a visual impairment are less likely to hold educational qualifications, while they also face discrimination by employers, and a lack of awareness of help available.

BBC: Wales