reinforced aerated concrete lintel

Americans have a special relationship with Canadians with whom they share the world's longest undefended border.

美国人与加拿大人有一种特殊的关系。美加两国的边界是世界上最长的不设防边界。

within two years the six carterets, roughly the size of 80 football pitches and just 1. 5 metres high, will be uninhabited and undefended.

两年内，大约是80个足球场且只有1.5公尺高的6个卡特里特岛，将会无法居住，也毫无防备。

what? did you think that a garrison on open ground would go undefended?

想什么呢，你以为一个驻扎营地，会完全不设防么？

she is completely capable of taking an undefended base out by herself in a matter of seconds.

她完全有能力在几秒内独自摧毁一座不设防的基地。

these assets -- wellheads, pumping stations, cables, floating platforms -- are effectively undefended.

这些资产——井口、油泵站、线缆、海上钻井平台等——全都不设防。

it's single undefended spot is its fleshy, armor-less underside.

它唯一没有防备的地方是它没有甲片保护的腹部。

share with the u. s. the longest undefended national border in the world

加拿大和美国共享着世界上最长的不设防国界

The coast was undefended and lay open to attack.

该海岸未设防,易受攻击.

in the face of such a person, i was completely undefended real self.

在这样的人面前，我是不设防的完全真实的自我。

sometimes i talked to the root causes, perhaps the father has since left me depressed undefended!

有时候我也找过根源，也许是父亲的离去让我从此对忧郁不设防！

to capture a heart unused to attack is like walking into an open, undefended city.

赢得一颗没有谈过恋爱的心，这就等于进入一个没有设防的城市。

Meanwhile, military satellites are completely undefended and vulnerable to attack.

同时, 军用卫星不但易受攻击,而且对攻击毫无抵御能力.

yet, as i clung to this kind stranger, wholly undefended, my sense of wellbeing soared.

然而，当我靠着这个亲切的陌生人时，毫无防卫的，我心里骤然生起安全感。

many a man will inevitably have not common topic of discussion, this is a distraction from an undefended becomes a kind of social.

多一个人就难免会有不能共同讨论的话题，这就是一种分心，从一种不设防变成了一种社交。

the fictitious colonel no longer asserted that the island's north shore was undefended.

那位虚构的上校不再申述该岛北岸没有设防了。