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V-ERG
（使）侵蚀;(使)腐蚀;(使)风化
If rock or soil erodes or is eroded by the weather, sea, or wind, it cracks and breaks so that it is gradually destroyed.
例句
By 1980, Miami beach had all but totally eroded...
到1980年，迈阿密海滩已经完全风蚀了。
Once exposed, soil is quickly eroded by wind and rain.
一旦暴露在外，土壤很快就会被风雨侵蚀。
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V-ERG
（权威、权利、信心等）逐渐丧失；削弱
If someone's authority, right, or confidence erodes or is eroded, it is gradually destroyed or removed.
例句
His critics say his fumbling of the issue of reform has eroded his authority...
批评家们说他在改革问题上的蹩脚做法已经削弱了他的权威。
America's belief in its own God-ordained uniqueness started to erode.
美国人心中上帝赋予了他们独一无二的品质的信念开始逐渐丧失。
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V-ERG
（使）贬值;（使）降价
If the value of something erodes or is eroded by something such as inflation or age, its value decreases.
例句
Competition in the financial marketplace has eroded profits...
金融市场的竞争降低了利润。
The value of the dollar began to erode rapidly just around this time.
刚好在这个时候，美元开始迅速贬值。