基本解釋古島弧同根派生 paleo-arc相關(guān)詞英漢例句This area was in an arc and rear-arc basin on convergent plates in the Middle Devonian.其巖石化學(xué)及地球化學(xué)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。paleo-arc更多例句