留美老师带你每天说英文 第320期:眼睛和相机不同之处
2020-04-21来源:和谐英语
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台湾籍旅美老师今天交给我们的句子是:
Also in contrast to a camera, your photoreceptors are unevenly distributed, with no receptors for dim light in the very center. This is why faint stars seem to disappear when you look directly at them.
另外一个眼睛和相机不同之处在于你的光感受器并不平均分布;在最中间的地方,没有对昏暗光线的接收器。这就是为什么当我们直视微弱的星光时,星星会消失不见。