名詞 atrium:

1. any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)
2. the central area in a building; open to the sky

1. Either of two large veins that drain blood from the upper body and from the lower body and empty into the right atrium of the heart.
   腔靜脈把血從身體的上部和下部抽光然后流入心臟的右心房的兩支大靜脈之一

a.tri.um

n.（名詞）
【復(fù)數(shù)】 a.tri.a[3.trô-…] 或 a.tri.ums
Architecture A rectangular court, as:
【建筑學(xué)】 中庭，正廳：四方形廳堂，如：
A usually skylighted central area, often containing plants, in some modern buildings, especially of a public or commercial nature.
前庭：在某些現(xiàn)代建筑，尤指公共或商業(yè)環(huán)境中的，一般為露天的中央場(chǎng)所，通常有植物
The open area in the center of an ancient Roman house.
天井：住宅中央的露天場(chǎng)所
The forecourt of a building, such as an early Christian church, enclosed on three or four sides with porticoes.
門(mén)廊：建筑的前廳，如早期的基督教堂，三面或四面有柱廊圍繞
Anatomy A bodily cavity or chamber, especially either of the upper chambers of the heart that receives blood from the veins and forces it into a ventricle.Also called In this sense, also called auricle
【解剖學(xué)】 心房、腔、室：身體中的腔或室，尤指心臟上半心室，接受靜脈的血液并將其壓入動(dòng)脈也作 在此意義上也可稱(chēng)作 auricle

來(lái)源：
Latin 3trium * see 3ter-
拉丁語(yǔ) 3trium *參見(jiàn) 3ter-

【引伸】
a.trial
adj.（形容詞）