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A new iron curtain is being drawn around russia . It 's not so impregnable or wide as the soviet one .

一个新铁幕在俄罗斯周围形成，不过这一个并没有苏联时期那么广阔和坚不可摧。

Although the structure is now defunct , the mosque 's former glory lingers in the towering arched gate and the seemingly impregnable walls .

尽管这个建筑现在已经不再承担昔日的功能，但是它作为清真寺的荣光依旧徘徊于耸立的拱形门和那似乎坚不可摧的墙壁之间。

But not until 1947 did the supreme court construe this to mean that a wall between church and state " must be kept high and impregnable " .

然而，直到1947年，最高法院才将此解释为分离政教的隔墙“必须始终高大、坚不可摧”。

History is littered with fallen titans , from united steel to ibm , whose leadership once seemed impregnable .

历史上尽是些陨落的“巨头”，从unitedsteel到ibm，它们的领袖地位都曾看似牢不可破。

Some republicans privately concede mr obama 's position may be impregnable .

一些共和党人私下承认，奥巴马的地位可能固若金汤。