博物馆宽敞的中庭有一个巨大的玻璃穹顶，使整个空间充满光线。

The museum's spacious ___atrium features a huge glass dome that fills the space with light.

左心房负责接收来自肺部的富氧血液。

The left ___atrium is responsible for receiving oxygen-rich blood from the lungs.