classifier for long thin things (rivers, cracks etc), barriers (walls, doors etc), questions (in an exam etc), commands, courses in a meal, steps in a process
province (of Korea or Japan)
channel
method
doctrine
teachings
等
ting2
sort
kind
type
功效
gung1 haau6
effectiveness
Learn Stroke Order
See how to write "潤腸" with stroke-by-stroke animation