paleo-arc
基本解釋
- 古島弧
英漢例句
- This area was in an arc and rear-arc basin on convergent plates in the Middle Devonian.
其巖石化學及地球化學顯示島弧火山巖特征。 - Most of the islands are part of a geologically unstable and volcanically active island arc.
多數(shù)島嶼在地理上都是不穩(wěn)定的火山活動島弧。