香口膠跡英文點講?

香口膠(漬) = dirt and stains caused by chewing gum

You can simply check out essays about removing (chewing) gum (香口膠) as follows: http://www.ehow.com/tips_7309_2.html and http://www.ag.fvsu.edu/teletips/stain_removal/853.cfm . Most people use the term "gum stain" .

香口膠跡英文點講?請各位大大幫個忙
Chewing gum track

( chewing) gum mark .

Chewing gum.