stage; section; phase; period; CL:個|个[ge4]

(social) class; CL:個|个[ge4]

social class

flight of steps; (fig.) stepping stone; way to reach the goal of

the factorial of a number, e.g. 5! = 5.4.3.2.1 = 120

steps; flight of steps; step (over obstacle); fig. way out of an embarrassing situation; bench (geology)

high level

mid-level

second order; quadratic (math.)

low level