I can spend the whole day undisturbed at the warehouse.

我可以不受干扰地在仓库里呆上一整天。

《柯林斯英汉双解大词典》

We spend the whole day.

我们度过了整整一天。

youdao

Did you spend the whole day in the garden again?

你今天又在花园里待了一整天吗？

youdao

I could spend the whole... Well, we did spend the whole day there yesterday.

我可以一整天……我们昨天就花了一整天在那儿。

考文特花园的魅力 - SpeakingMax英语口语达人

We did actually spend the whole day there yesterday.

其实，我们昨天一天都耗在那里了。

考文特花园的魅力 - SpeakingMax英语口语达人

So you can spend the whole day, all of it, wandering in the meadow.

NEWYORKER: Noon

My boss wants me to spend the whole day at my desk without speaking to another person.

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Indeed, one could spend the whole day cleaning windows, a temptation I resist.

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