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1·Drug users were jacking up in the stairwells.

当时瘾君子正在楼梯井注射毒品。《牛津词典》

2·Each building had fireproof drywalls to protect the stairwells.

每座大楼都有防火干板墙保护其楼梯井。《柯林斯英汉双解大词典》

3·Floor evacuations should be made by the stairwells.

应通过楼梯井进行楼层疏散。

4·The exits, routes, stairwells are not totally blocked.

安全出口，疏散通道，和楼梯不能完全被堵塞。

5·At the office, they slink into hallways, bathrooms, and stairwells.

在写字楼里，他们灰溜溜躲进过道、洗手间、楼梯井。

6·For example, stairwells often played a central role Hitchcock dramas.

例如，楼梯间往往发挥着核心作用，希区柯克电视剧。

7·For example, stairwells often played a central role in Hitchcock dramas.

例如，楼梯间往往发挥着核心作用，希区柯克电视剧。

8·Other places attackers hide: between cars (even on streets), stairwells, bushes, and alleys.

另外，攻击者可能藏匿的地方有汽车之间（即使在街道上也是）、楼梯、灌木和小巷。 总之，时刻小心总不是坏事。

9·Inside the stairwells and hallways feature exposed concrete offset by colourful paintwork and lighting.

楼梯间和走廊的内部特点是，通过丰富多彩的油漆和照明，显露出混凝土的偏移。

10·Protruding stairwells, air vents, etc can be used as cover for anyone using a roof as a firing position.

突出来的楼梯井和通风口等等，可以被任何利用屋顶做为射击点的人当作掩体。