Flight of stairs
阶梯步级
🧩 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
Keep it down!
小点儿声！
The school is two miles straight ahead.
那学校一直向前两英里。
But animals of this age do not easily become subservient to man,
但这个年龄的象不易驯服，