柯林斯詞典subduction zone 1. N a long narrow, often arcuate, zone along which subduction takes place 潛沒帶[geology] 返回 subduction zone劍橋詞典an area where two continental plates (= large layers of rock that form the earth's surface ) meet and where there are often earthquakes （地球大陸板塊之間的）頫沖帶，潛沒帶 返回 subduction zone