n.

a very small quantity of something

"he gave only a crumb of information about his plans"; "there were few crumbs of comfort in the report"

a person who is deemed to be despicable or contemptible

同義詞：rotterdirty dogratskunkstinkerstinkpotbumpukelowlifescum bagso-and-sogit

small piece of e.g. bread or cake

Process for isolation of polyphenylene ether resin by crumbing in hot water
Accordion style bread crumbing for mobile applications
Research on Crumbing-proof Method of Molded Pulp
Making Quality, Crumbing Properties and Sensory Attributes of Bread Containing Soybean Flour.
Crumbing Properties and Sensory Attributes of Bread Containing Dry Okara
Relationships between Crumbing Hills and Rock-Soil Characteristics of Granite Weathering Crusts in South China
Take Your Pick: Highway Rubbery or Crumbing Attraction
A Tyre Crumbing Apparatus
Process for isolation of polyphenylene ether resin by crumbing in hot water
Fully Solution‐Processed TCO‐Free Semitransparent Perovskite Solar Cells for Tandem and Flexible Applications