smeared-out boundary 模糊不清边界
The old Welshman came home toward daylight, spattered with candle-grease, smeared with clay, and almost worn out.
天快亮的时候，老威尔斯曼回到家里，身上溅满了蜡烛油，粘满了泥土，几乎是精疲力竭。
JPG is also not an ideal medium for typography, crisp lines, or even photographs with sharp edges, as they are often blurred or smeared out by anti-aliasing.
对于排版印刷，线条清晰，或甚至有锐边的照片来说，JPG也不是一种理想的媒介，因为他们经常被反锯齿而弄得模糊不清。
When I finally found my bearings, I was standing on Congress avenue, out of breath, smeared up and down with grass stains and dog shit.
当我终于能确定方向时，我发现自己在国会大街上，上气不接下气，草渍和狗屎全身都是。
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