Blotch is one of the most common artifacts in archived film.(斑塊是一種常見的電影膠片損傷。)

The sooty blotch will wipe off of the fruit and fly speck will not.(煤煙斑將其擦去，而蠅斑則不會。)

"How long," a doctor asked, "have you had this red blotch on your foot?"(“多久了”一個醫生問我：“你腳上的這個紅斑長多久了”？)

Study on the Optimal Management of Coryneum Leaf Blotch of Populinum Bres.(楊樹灰斑病優化管理技術的研究。)

Field trials showed that all of the treatments with the compound fermentation broth had meaningful control efficacy against marssonina blotch.(大田防治試驗結果顯示，使用復合菌劑的各個試驗處理對蘋果褐斑病都具有較好的防治效果。)

Black fluids oozed from our mouths. I hastily covered my ears but it was too late - corrosion has already reduced me to a mottled blotch.(當人們張開嘴吐出黑色的唾液，當我努力遮起耳朵時，已被腐蝕的斑駁。)

ABSTRACT: New research suggests an insect may be responsible for the spread of the red blotch virus.(摘要：研究調查發現，一種昆蟲可能是傳播紅斑病毒的罪魁禍首。)

It has yellow flowers in various shades of yellow, with varying degrees of penciling or red-brown lines and sometimes with a red-brown circular blotch above the gland.(花黃色，但常有一系列明暗深淺的變化。花瓣上富于變化的棕紅色線條，有時在蜜腺上部有一圈棕紅色的斑點。)

This Mark Rothko-looking blotch of color is the Grand Prismatic Spring, which supposedly gets its colors from bacteria that grow around the water.(遠看像是馬克-羅斯科筆下的一幅畫，大棱鏡溫泉就是有這樣驚心動魄的色澤，當然這樣的顏色得歸功于水中生長的一種細菌。)

Mildewy become angry: this kind of question happens in damp paint surface more if lunt condenses in glass and metallic surface constant meeting produces the blotch of palm black.(發霉變色：這種問題多發生在潮濕的油漆表面，如水汽凝聚在玻璃和金屬表面時常會產生棕黑色的污斑。)