1. 痂
A scab is a hard, dry covering that forms over the surface of a wound.

2. 在罢工期间坚持上工的人;破坏罢工者;工贼
People who continue to work during a strike are called scabs by the people who are on strike.

3. 疮痂病;疮痂斑点
Scab is a disease that can affect apple trees, pear trees, and potato plants.

1. the crustlike surface of a healing skin lesion

2. someone who works (or provides workers) during a strike

Synonym: strikebreakerblacklegrat