eroded

基本解释

And even if they did paint in caves many of the rock surfaces will have eroded away by now.
而即使当时的人们在很多岩石表面作画，到现在为止那些画也会因为侵蚀而不见踪迹了。
I believe that anywhere within a metre or so of daily maximum sea level would be swiftly eroded.
我认为在那些水深达到一米或是每天水位最高到一米的地方，海平面会被很快侵蚀。
Spark plugs only ignite the fuel mixture near the spark gap, reducing the combustion efficiency, and the metal that makes them up is slowly eroded as they age.
火花塞只点燃火花隙附近的燃料混合物，这就降低了燃烧效率，并且随着使用年限增加火花塞中的金属慢慢被侵蚀。

The scandals have eroded public confidence in the government, but Michael Partem sees a silver lining no one is above the law.
So, what happens with municipal privileges, towns that had municipal privileges, these are eroded and then virtually eliminated by powerful potentates.
地方特权怎么样了,拥有地方特权的城镇又发生了什么,绝对统治者削弱并最终废除了地方特权
耶鲁公开课 - 欧洲文明课程节选
Since the poem's initial appearance, the institution of episcopacy, or church hierarchy, has been seriously eroded.
从这首诗初次面世以来，主教制度，或者说教会的等级制就已经被严重腐蚀了。
耶鲁公开课 - 弥尔顿课程节选

Saturn sales peaked in 1995 at 286, 000 vehicles, but eroded to 210, 000 last year.
FORBES: Saturn Rising?

If rock or soil erodes or is eroded by the weather, sea, or wind, it cracks and breaks so that it is gradually destroyed.
If someone's authority, right, or confidence erodes or is eroded, it is gradually destroyed or removed.
If the value of something erodes or is eroded by something such as inflation or age, its value decreases.