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
My father likes going fishing and hunting in his spare time.
我父亲喜欢在业余时间钓鱼和打猎。
We've increased our efficiency by 20% through automation.
通过自动化我们的效率增加了20%。
They are not anxious social climbers, and they have no devotion to material things.
他们不热衷于向上爬，也不一味追求物质享受。