1
the atrium of [building]
用于指建筑物内有顶的庭院或大厅。
The café is in the atrium of the museum.
咖啡馆在博物馆的中庭里。
心房
先理解核心含义，再看它在真实句子里的用法。
心房
an upper chamber of the heart
The café is in the atrium of the museum.
咖啡馆在博物馆的中庭里。
古罗马住宅中中央露天庭院,或其他建筑中的类似空间
A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.
与其他腔室或通道相连的任何腔室(尤其是心脏的两个上腔之一)
any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)
顶部采光的方形大厅,一层或多层房间向此开放
A square hall lit by daylight from above, into which rooms open at one or more levels.
建筑物的中央区域；开放至天空
the central area in a building; open to the sky
The nurse pointed to the atrium on the diagram to show where blood enters the heart.
护士指着图表上的心房，显示血液从哪里进入心脏。
In anatomy class, we learned that the left atrium receives oxygenated blood from the lungs.
在解剖课上，我们了解到左心房从肺部接收含氧血液。
Both atria contract together to pump blood into the ventricles.
两个心房一起收缩，将血液泵入心室。
用于指建筑物内有顶的庭院或大厅。
The café is in the atrium of the museum.
咖啡馆在博物馆的中庭里。
这里指心脏上方的两个腔室之一。
The doctor checked the left atrium.
医生检查了左心房。
atria 是 atrium 的复数形式。
The atria of the heart fill with blood first.
心脏的心房先充满血液。
Not this
The doctor examined a atrium.
Use this
The doctor examined an atrium.
atrium 以元音音素 /eɪ/ 开头，前面的不定冠词需要用 an，而不是 a。
Not this
The human heart has two atrium.
Use this
The human heart has two atria.
atrium 的复数是 atria（也作 atriums）。表示两个心房时要用复数形式 atria，不能用单数 atrium。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
左心房
The doctor checked the left atrium of the patient's heart.
医生检查了病人心脏的左心房。
中央中庭
The office building has a central atrium that lets in natural light.
这栋办公楼有一个引入自然光的中央中庭。
玻璃顶中庭
The glass-roofed atrium is filled with plants and cafes.
玻璃顶中庭里满是植物和咖啡馆。
酒店中庭
The hotel atrium rises several floors and is decorated with sculptures.
酒店中庭高耸数层，装饰着雕塑。
Use atrium naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记：罗马房子的中庭叫 atrium，像采光天井；心脏上方两个腔也叫 atrium，像血液进出的厅堂。
语域：formal 常见场景：cardiology、anatomy textbook、clinical report 表示“心房”时，atrium 是医学/解剖学领域的正式术语，通常出现在医学教材、临床报告等专业语境中；日常口语中较少单独使用。
复数形式 atria 和 atriums 均正确。
Dictionary facts from ECDICT, WIKTIONARY.