island arcs的用法和樣例：
例句
用作名詞 (n.)
- The epithermal silver deposit and the Kuruko silver deposit are distributed over volcanic arcs and island arcs.
火山弧和島弧控制了淺成低溫熱液型和黑礦型銀礦床。 - Elsewhere, two plates may shift toward each other and converge along a deepsea trench and island arc.
在別的地方，兩塊板塊又可能相向移動(dòng)而沿著(zhù)深海溝和島弧逐漸聚合。
