an impregnable fortress.
固若金汤
堡垒
, 坚不
;征服;;毁灭，不能破坏;怕;an impregnable fortress.
固若金汤堡垒
an impregnable argument.
无懈
击辩论
They will establish impregnable fortresses.
他们将建造坚不
城堡。
an impregnable wall of solid sandstone.
一道牢不破砂岩墙。
the seat I was offered appeared to be an impregnable Tory stronghold.
给我席位像是保守党坚不堡垒。
Liverpool should have used their good fortune to forge an impregnable half-time lead.
利物浦队本应用他们好运取得枯拉朽般半场领先。
O, how shall summers honey breath hold outAgainst the wreckful siege of battering days,When rocks impregnable are not so stout,Nor gates of steel so strong, but Time decays?
哦，夏天温馨呼息怎能支持残暴日子刻刻猛烈轰炸，当岩石，无论多么么险固，或钢扉，无论多坚强，都要被时光熔化？
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