A spiral stair
螺旋式楼梯
🧩 词语组成解析
spiral
['spaɪrəl]
n. 螺旋（线）;旋涡;螺旋形物;（足球运动的）旋球;
v. 使成螺旋形;螺旋式的上升（或下降盘旋上升（或下降）;
adj. 螺旋形的;盘旋的;盘旋上升的;
stair
[stɛə]
n. 楼梯;（楼梯的）一级;
🗣️ 情景例句
It's such an important decision.
这是一个如此重要的决定。
Hush! Talk quietly.
嘘！请小声讲话。
Not only did I know her, but I was her best friend.
我不仅认识她，还是她最好的朋友。