sister city

A foreign city with which a city has a declared relationship of cordiality.

Japanese Meaning

姉妹都市：ある都市が、公式に友好関係として特別な結びつきを持つ外国の都市を指す。

The mayor visited our sister city to discuss joint environmental projects.

市長は共同の環境プロジェクトについて話し合うために姉妹都市を訪問した。

Sense（1）

A foreign city with which a city has a declared relationship of cordiality.

Placetown and Machinville are sister cities in England and France.

sister cities

（ plural ）