colon
noun [ C ] uk/ˈkəʊ.lɒn/ us/ˈkoʊ.lən/
(BODY PART)
结肠
the lower and bigger half of the bowels in which water is removed from solid waste
(SIGN)
B2 冒号
the symbol : used in writing, especially to introduce a list of things or a sentence or phrase taken from somewhere else