A flight of stairs
一段楼梯
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
stairs
[[stɛəz]]
n. 楼梯
🗣️ 情景例句
It was nothing.
这不算什么。
His eyes will pop out in astonishment.
他因为害怕而瞪大了眼睛。
So it is a comparatively simple step from locating the sea bottom to locating a shoal of fish.
从测定海深到测定鱼群，这一进展比较容易。