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一、详细释义：
n.
视觉，视力 [U]
例句：
We had our eyesight tested yesterday.
我们昨天进行了视力检查。
例句：
The myth that eating carrots improves your eyesight was exploded years ago.
吃胡萝卜能改善视力的瞎话几年前就被戳穿了。
见解；观察力，眼力
例句：
The selected soldier needed to have keen eyesight, plus the ability to react quickly.
被选的士兵要求有敏锐的观察力及快速的反应力。
例句：
It is challenging your eyesight and finger reaction.
这是挑战你的眼力和手指的反应。
二、词义辨析：
vision,eyesight,sight,perception
这些名词均含“视力、视觉”之意。vision书面用词，含义广泛，指人的视力或视野，也可指远见卓识。eyesight普通用词，指眼睛的正常功能。sight普通用词，与eyesight同义，可换用，指由实实在在的事物引起的视觉。perception指视觉，也可泛指其它器官的功能，或引申指敏锐的理解力。
三、参考例句：
Eyesight should be carefully preserved.
我们应该小心保护视力。
Is your eyesight failing recently?
你近来视力有所变差吗？
We had our eyesight tested yesterday.
我们昨天进行了视力检查。
His eyesight is becoming progressively worse.
他的视力越来越差。
We had our eyesight tested yesterday.
我们昨天进行了视力检查。
He had a problem with his eyesight.
Your eyesight rights itself very quickly.
你的视力恢复得非常快。
It is challenging your eyesight and finger reaction.
这是挑战你的眼力和手指的反应。
His bad eyesight exempted him from military service.
他因视力不好而免服兵役。
Her eyesight grew so bad that she could hardly see.
她的视力变得很糟,几乎什么也看不见了。
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