名詞 cupola:

1. a vertical cylindrical furnace for melting iron for casting
2. a roof in the form of a dome

1. How large is your cupola?
   化鐵爐有多大？

cu.po.la

n.（名詞）
Architecture
【建筑學】
A domed roof or ceiling.
穹頂：一種半球形的屋頂或天花板
A small structure surmounting a roof.
頂樓：屋頂上的小型建筑物
A cylindrical shaft type of blast furnace used for remelting metals, usually iron, before casting.
融鐵爐：一種具有圓筒狀爐胸的鼓風爐，用于在澆鑄之前對金屬，通常是鐵進行再融化
A small rounded and domed structure, as for observation, on a tracked, armored vehicle.
旋轉(zhuǎn)炮塔：用于觀察等的小型圓形或半圓形建筑物，裝在有履帶的裝甲車上

來源：
Italian
意大利語
from Late Latin côpula
源自 后期拉丁語 côpula
diminutive of Latin côpa [tub]
拉丁語 côpa的小后綴 [桶]