The hall of the old house was open to the sky.

旧房子的门厅是露天的。

《牛津词典》

The court or quadrangle was stone-paved, and open to the sky.

四方的庭院是用石头铺成的，上面露天。

youdao

China's "Sky Eye" is open to the world since March 31.

中国的“天眼”自3月31日起向全世界开放。

youdao

She set the cameras so they would remain open to the light of the night sky.

VOA: special.2009.05.17

Actually, I suppose to get ideally married under the open sky, under a Chuppah, gather people under the open sky.

实际上，我理想中的婚礼就是,在户外的天空和犹太传统的彩棚下进行，人们聚集在蓝天下。

普林斯顿公开课 - 人性课程节选

Samuel Colman's watercolor "Wharf at Yonkers" (c.1869-70) takes a slightly different tack, his low viewpoint emphasizing the open sky and the broad stretch of Hudson waterway framed by the Palisades and the North Yonkers hills.

WSJ: River Romantics | The Panoramic River | Hudson River Museum | By Barrymore Laurence Scherer

Just before Parkside Avenue, the train emerged into modified sunlight, running in a ditch that was open to the sky.

NEWYORKER: Brooklyn Circle

Some are open to the sky, some have fountains and some have ancient trees growing out to the roof.

WSJ: Enlightenment on an Intimate Scale | The Adinatha Temple at Ranakpur | Masterpiece by James S. Ackerman