单词 | impregnable |
释义 | impregnable adj (a) so strong and well-constructed that it cannot be entered orcaptured 坚固得不能进入或无法占领的 an impregnable fortress 坚不可摧的要塞. (b) (fig 比喻) so strong that it cannot be overcome or broken down 无法征服的; 压不倒摧不垮的 impregnable arguments, defences, reserve 驳不倒的论点、 有理有据的辩护、 无法改变的拘谨. |
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