One reasonable explanation is that etching removes and blunts microcracks.
有一种合理的解释是说腐蚀能够去掉并钝化微裂纹.
辞典例句
Translation blunts communication and makes knowledge crunching anemic.
语言转换减弱了交流的效果,使得知识积累也不尽如人意.
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Manheim's translation at times blunts the edge of the political references and implications of Heidegger's work.
曼海姆译本不时地削弱了海德格尔著作中或明或暗的政治锋芒.
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Even if higher private saving blunts the effect, some crowding out is eventually all too likely.
即使更高的私人储蓄磨钝了效果, 也是最终很可能会挤走一些.
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