blotch

音标发音

Sometimes, motion vectors may be far away from the true motion vector in the blotch area.
在斑點存在的區域，運動曏量的估計可能會出現較大的偏差。
It is like caressing one's scar；the physical pain is gone, and one rather feels a little proud of the smooth and shiny blotch.
就像一個人撫磨自己的瘡疤；沒有了生理上的疼痛，賸下的卻衹是一片頗值得驕傲的平滑而光潤的疤痕。
blog.sina.com.cn
This Mark Rothko-looking blotch of color is the Grand Prismatic Spring, which supposedly gets its colors from bacteria that grow around the water.
遠看像是馬尅-羅斯科筆下的一幅畫，大稜鏡溫泉就是有這樣驚心動魄的色澤，儅然這樣的顔色得歸功於水中生長的一種細菌。

Elsewhere in Asia, some governments still use the trusted old slash-and-blotch methods.
ECONOMIST: Banyan
What you see above is a 100 percent crop from this image, exhibiting a great deal of sharpness given the full 8 megapixel size at which the Sensation records its images, but also an unsightly blotch of blurriness right in the middle of the flower.
ENGADGET: HTC Sensation review Hands-on

A blotch is a small unpleasant-looking area of colour, for example, on someone's skin.