更新时间：2026-03-26 10:04:29作者：教师设计网
| 单词 | grind down |
| 释义 | grind down1.■碾碎；把…磨碎成粉末：The rice will grind down into flour.这米要磨成粉。2.■磨快；磨光；磨薄：A new knife needs to be ground down to get it really sharp.一把新刀子需要开口磨快才能真正锋利。3.■压迫，压倒；折磨，虐待：They were ground down by taxation.他们被税收压榨得直不起腰来。 |
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