3人往底下一看，在引擎的位置上只有一个大空洞。

The three of them look down into an empty hole where the engine should be.

youdao

妻子离开后，他的人生中出现了一大片空洞。

After his wife left, there was a gaping hole in his life.

《牛津词典》

典型的外星人有着大而空洞的双眼，没有头发，浑身绿色。他们是来自未来的“高级”人类。

The typical alien - big blank eyes, no hair, green - is a higher form of human being from the future.

youdao