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1·We have fully functional smoke alarms on all staircases.

我们在所有楼梯上都装有运转完全正常的烟雾报警器。《柯林斯英汉双解大词典》

2·The staircases change, remember?

楼梯会改变，记得吗？

3·We would live in a large two-story house with floors and staircases made of wood.

我们将住进一幢两层的大房子，地板和楼梯是木制的。

4·The stores have all the hallmarks of a legitimate Apple outlet, completing with glossy hardwood tables and minimalist staircases.

这些商店拥有一个合法的苹果专营店的所有特征，有光滑的硬木桌子和简约楼梯 。

5·The Chinese built their pagodas in brick or stone, with inner staircases, and used them in later centuries mainly as watchtowers.

中国人用砖或石头建造他们的宝塔，内部装有楼梯，在后来的几个世纪里主要用作瞭望塔。

6·Eight monumental curving staircases of granite with over 4000 individually cast bronze balusters are capped by for skylight domes and two stained glass rotundas.

八个巨大的弯曲的花岗岩楼梯，上面有超过4000个单独铸造的青铜栏杆，顶部是天窗圆顶和两个彩色玻璃圆顶。

7·A number of staircases ascend from the cobbled streets onto the ramparts.

若干个阶梯从鹅卵石街道向上延伸到城墙上。《柯林斯英汉双解大词典》

8·Two staircases lead to the lower floor.

两段楼梯通向下面一层楼。

9·How many staircases are in your house?

你们的房子有几个楼梯？

10·Hermione Granger: The staircases change, remember?

赫敏·格兰杰：楼梯会变来变去，记得吗？

(1)spiral staircasen. 螺旋梯