核心词议：
subduction 基本解释
n. 减去，减法；[地]潜没（指地壳的板块沉到另一板块之下）
速记方法
知识扩展
中文词源
中文词源： subduction
精选例句
常见考点例句：
- Sketch illustrating melting at a subduction zone .
- 这幅简图揭示了俯冲带发生的熔化现象。
- Active subduction off the indian ocean coast of sumatra is responsible for both the region 's geography and its earthquakes .
- 在苏门答腊岛印度洋一侧海岸外，（海底）活跃的俯冲地质运动，是形成该地地理（特征），造成地震多发的原因。
- Additional sedimentation occurred until a subduction zone formed off the coast .
- 直至一个潜没带在距离海岸处形成前，额外的沉积作用一直存在。
- How do earthquakes arise in undersea subduction zones , which account for 90 per cent of all seismic energy released worldwide ?
- 占全球地震能量释放90%的地震是怎样发生于海底俯冲区的？
- The cascadia subduction zone , just 50 miles off the coast and stretching from northern california to southern british columbia , is accumulating stresses that could unleash an earthquake of magnitude 9.0 and generate its own tsunami .
- 距离海岸50英里的卡斯卡地亚俯冲带，从加州北部延伸至英属哥伦比亚南部，预计可以缓冲9级地震及其造成的海啸。
