atrium

剑桥词典

atrium noun [C] (ROOM)


a very large room , often with glass walls or roof , especially in the middle of a large shop or office building
（尤指大商店或辦公樓的）中庭，天井

atrium noun [C] (HEART)

anatomy   specialized (also auricle)
one of the two spaces at the top part of the heart that receive blood from the veins and push it down into the ventricles (= lower spaces )
心房 返回 atrium