1.An impregnable castle in the center of Europe.

成为了欧洲中心坚不可摧的城。

2.The heights of Kennesaw were impregnable.

肯尼萨山的高地是坚不可摧的。

3.The sheer cliffs on three sides and the steep summit made the citadel virtually impregnable.

三面陡峭悬崖外加高耸的山顶让这坚不可摧。

4.It's a stunning example of architectural engineering at altitude, and completely impregnable.

非常优秀的高地工事可谓坚不可摧。

5.There were no security guards present because they trusted the false technological defenses were impregnable.

没有保安在场，因为他们相信虚假的技术防御坚不可摧。

6.The tippler brought his speech to an end, and shut himself up in an impregnable silence.

酒鬼说完以后就无论如何都不再开口了。

7." If Storm's End is so impregnable, how do you mean to take it" ? asked Malo.

" 风息难攻不破，你又怎生奈何它？" 莫罗问。

8.Are these businesses really so impregnable and indestructible?

这些企业真的那么坚不可摧吗？机翻

9.Fort Knox was built to be an impregnable fortress.

克斯被建造成坚不可摧的。机翻

10.The bullion depository at Fort Knox was built to be an " impregnable fortress."

克斯的金银存放处被建造成“坚不可摧的” 。机翻

11.One of the secrets of its longevity  was its seemingly impregnable walls.

它长盛不衰的秘诀之是它看似坚不可摧的城墙。机翻

12.The keep's formidable walls and defensive features make it a virtually impregnable fortress.

主城坚固的城墙和防御设施使它成为几乎坚不可摧的。机翻

13." Ashamed of drinking! " The tippler brought his speech to an end, and shut himself up in an impregnable silence.

“我羞愧我喝酒。”酒鬼说完以后就再也不开口了。

14.How do we open up these gates that look pretty impregnable and impossible to open?

我们如何打开这些看起来坚不可摧且无法打开的大门？机翻

15.I saw that his position on the old parchment was impregnable.

我看到他在旧羊皮纸上的地位是坚不可摧的。机翻

16.But Miss Taylor had an impregnable mind that she was innocent.

但泰勒小姐有着坚定不移的信念，即她是无罪的。

17.Furthermore: concerning these last mentioned Leviathans, they have two firm fortresses, which, in all human probability, will for ever remain impregnable.

而且，关于这些最近提到的大鲸，它们有两个坚固的，就是尽人类之所能，也将永远牢不可破。

18.There still reverberated in her mind the crashes of the two impregnable citadels of her life, thundering to dust about her ears.

她生活中两个坚不可破的崩溃的声音仍在她心中回响，好像在她耳旁轰隆声坍塌了。

19.Catelyn wanted to slap her. Uncle Brynden had tried to warn her, she realized. " No castle is impregnable. "

凯特琳有种想甩她耳光的冲动。布林登叔叔试图警告她，她这才明白原因何在。" 世上没有攻不破的城。"

20.Pliny the Elder praised an imposing sea wall made from the stuff as “impregnable to the waves and every day stronger.”

老普林尼 (Pliny the Elder) 称赞由这种材料制成的雄伟海堤“坚不可摧，而且天比天坚固” 。机翻