什么是 league?An association of states, organizations, or individuals for common action; an alliance.Sports An association of teams or clubs that compete chiefly among themselves. Also called loop1.A class or level of competition: The ski jump was out of his league. To come together in or as if in a league.To bring together in or as if in a league.A unit of distance equal to 3.0 statute miles (4.8 kilometers).Any of various other units of about the same length.A square league.