Crab catching, crab catching, crab soup, crab without feet, crab without action, crab psychology, crab shell, crab head, crab.

2, the basic meaning:

[Crab] An arthropod, an amphibian. There are five pairs of crustaceans all over the body. The front foot is a claw, called a "claw", which climbs sideways. Abdominal segmentation, commonly known as "umbilical cord", the male umbilical cord is long and pointed, and the female umbilical cord is oval. Short for "crab"