読み方 にじゅう
Doubleness; duplication:(=の) double; duplex; duplicate; dual; twofold:(=に) double; twice; over again:(=にする) to double; to duplicate
二重
二重頤
二重音
2重になる
二重あご.
The same thing must be paid for twice.
a container with a double-lid
a person who has a dual personality