“黄斑部退化”是黄斑遭受伤害或破坏，引起影像之中心部糢糊不清，犹如相片中心有一糢糊一样，而某他区之影像则仍清澈可见。
"Macular degeneration" is related macular suffered injury or damage arising from the center of blurred images, like a fuzzy photo center, and an area of the image he is still clear that.
水流平静清澈，可以看到水中一只狮鬃水母身上橙红色的流苏在水下轻轻跃动，几百码外海豹游泳的痕迹亦是清晰可见。
The water there was so calm and clear that we could spot the blood-orange frills of a lion's mane jellyfish pulsing under the surface, and a seal's wake from several hundred yards out.
那个时侯，空气尚未被工业制造的尘埃和烟雾污染，星星点缀的夜空特别清澈，银河清晰可见。
Back then the dust and smoke of industryhadn't yet polluted the air, and the starry sky was especially clear, with theMilky Way clearly visible.
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