国内线

Traditional form:

國內線

Pinyin (reading):

guónèixiàn

Definitions:

• domestic flight
• internal line (air, train, ferry etc)

Characters:

• 国 - country, nation, state; national
• 内 - inside
• 线 - line, thread, wire; clue, trail

Traditional characters:

• 國 - country, nation, state; national
• 內 - inside
• 線 - line, thread, wire; clue, trail