When an ocean plate collides with another ocean plate or a plate bearing the thick crust of continental landmasses, the thinner of the two plates bends and slides under the other.

当一片大洋板块与另一块大洋板块，或是一片承载着厚重岩层的大陆板块相撞，那么薄的那片板块会发生弯曲滑入另一片板块下方。