visually impaired student是什么意思 visually impaired student怎么读
visually impaired student的相关资料
visually impaired student的用法和样例
- It is not a progressive disease and affected dogs normally only have mildly impaired vision.
这不是一种会显著加重病情的疾病，病犬通常只是轻微的视力减弱。
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