動(dòng)詞 erode:

1. become ground down or deteriorate
   同義詞：gnaw, gnaw at, eat at, wear away
2. remove soil or rock
   同義詞：eat away, fret

1. The sea have erode the cliff face over the years.
   海水經(jīng)年累月沖刷著峭壁的表面。
2. Metals are eroded by acids.
   金屬易為酸所腐蝕。

e.rode

v.（動(dòng)詞）
e.rod.ed,e.rod.ing,e.rodes
v.tr.（及物動(dòng)詞）
To wear (something) away by or as if by abrasion:
腐蝕；侵蝕：（象）被磨擦損耗掉：
例句：
Waves eroded the shore.
海浪沖蝕了海岸

To eat into; corrode.
磨蝕，耗掉
To make or form by wearing away:
腐蝕成：通過(guò)損耗造成或形成：
例句：
The river eroded a deep valley.
河流沖蝕成一個(gè)深谷

To cause to diminish, deteriorate, or disappear as if by eating into or wearing away:
侵蝕掉，腐蝕掉：象磨蝕、侵蝕那樣使…減少、減弱或消失：
例句：
.Long enduring peace often erodes popular resolution.(C.L. Sulzberger)
.長(zhǎng)期的和平常常會(huì)腐蝕大眾的信心.(C.L.蘇茲貝格)

v.intr.（不及物動(dòng)詞）
To become worn or eaten away:
成為破損的或損耗的：
例句：
The cliffs have eroded over the centuries. Public confidence in the administration eroded.
幾百年來(lái)懸崖已經(jīng)被侵蝕了，公眾對(duì)當(dāng)局的信心已經(jīng)被削弱了

來(lái)源：
Latin ôrôdere [to gnaw off, eat away]
拉丁語(yǔ) ôrôdere [消耗掉，磨蝕掉]
ô-, ex- [ex-]
ô-, ex- [表示.離開.的前綴]
rôdere [to gnaw] * see rôd-
rôdere [磨蝕、侵蝕] *參見 rôd-

【引伸】
erod.ibil.ity
n.（名詞）
erod.ible
adj.（形容詞）