magmatic activity的用法和樣例：
例句
- The formation of the geothermal area has related with structure magma activity and depths structure variation since the Mesozoic-Cenozoic Era.
易家河地熱區的形成主要與中新生代以來深層構造變異帶的構造岩漿活動有關。 - The yankees closed shells and instructions of qinghai-tibet plateau uplift period intracontinental orogenic movement of magmatic activity.
指示洋殼閉合后，青藏高原隆升期的陸內造山運動中的岩漿活動。
