复线

Traditional form:

複線

Pinyin (reading):

fùxiàn

Definitions:

• multiple track (e.g. rail)
• multilane (e.g. highway)
• (math.) complex line

Characters:

• 复 - again, repeatedly; copy, duplicate; to restore, to return
• 线 - line, thread, wire; clue, trail

Traditional characters:

• 複 - again, repeatedly; copy, duplicate; to restore, to return
• 線 - line, thread, wire; clue, trail