什么是 erode?To wear (something) away by or as if by abrasion: Waves eroded the shore. To eat into; corrode.To make or form by wearing away: The river eroded a deep valley. To cause to diminish or deteriorate as if by eating into or wearing away: "Long enduring peace often erodes popular resolution” ( C.L. Sulzberger). To become worn or eaten away: The cliffs have eroded over the centuries. Public confidence in the administration eroded.