paleo-arc

常见例句

• 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.
  多數島嶼在地理上都是不穩定的火山活動島弧。
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