large opening well的意思|示意

"The covered central opening separates the main cottage from the screened bunkhouse, offering a quiet getaway for guests, as well as a special setting for large dinners," the firm said.

“被覆盖的中央开口将小屋的主体与被遮蔽的简易工棚分隔开，为客人提供安静的假期，同时有特别的环境举办大型宴会，”该公司说。

An echo can show the pattern of blood flow through the septal opening, and determine how large the opening is, as well as how much blood is passing through it.

超声可显示通过房间隔缺损的血流方式，确定缺损的大小和通过血流的多少。