新视野大学英语词汇讲解第608期:eat (away) at

2012-10-13 11:11:23 

eat (away) at

damage or destroy bit by bit
逐渐毁掉,侵蚀
The sea has been eating away at this shore for centuries.
几百年来海水一直在侵蚀着海岸。

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