island chain

Noun

An archipelago consisting of neighboring islands which are roughly aligned, as if chained one to the next.

Japanese Meaning

隣接する島々がほぼ一直線に並び、まるで鎖のように連なっている列島のこと。 / 一定の方向や配列で連なる島々の群れ。

The research team sailed along the volcanic island chain to study its unique ecosystems.

研究チームはその独特な生態系を調査するために、火山列島に沿って航海した。

Sense（1）

An archipelago consisting of neighboring islands which are roughly aligned, as if chained one to the next.

Several island chains are named 'Keys' in English

island chains

（ plural ）