The squirrel disappeared into a hollow at the base of the tree.

松鼠钻进了树根处的一个洞。

《牛津词典》

Hollow a starving person has hollow eyes and cheeks.

挨饿的人，其双眼和两颊是凹陷的。

youdao

He wants a hollow pumpkin lantern.

他想要一个空心南瓜灯。

youdao

It takes place in a large hollow tree.

VOA: special.2009.11.27

And the poem goes on, and this is the tone of a poem. It's a poem of crisis, a poem of a kind of hollow speaker, someone who emerges as, more or less, buried alive. And this is supposed to reflect both personal crisis and a historical crisis.

然后这首诗继续娓娓道来，这就是诗歌的韵律,这是首关于危机的诗，关于一个有点言之无物的叙述者,最后活活烧死的诗，这恰好反映了,个人和历史的危机。

耶鲁公开课 - 1945年后的美国小说课程节选

You have a tube, a transparent--a tube--a hollow tube, and at the top of the tube you throw a ball through so it whips through the tube and it comes out.

用一根管子,一根透明中空的管子,从管子最上面,你丢进去一个小球,小球迅速穿过管子,飞出来

耶鲁公开课 - 心理学导论课程节选

The government may simply insist that 3D printer manufacturers install software that prevents printing of a hollow cylinder of a certain size, a firing pin, or a certain type of spring.

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But what if that, too, was a hollow promise, from a hypocrite who repented only after, who promised submission but really only wanted a reprieve?

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These phrases serve as buzzwords, used to placate suffering fan bases and bring a smidgen of hollow optimism to a hopeless situation.

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