The museum not only has a display area open to the public, but also has an archival collection of more than one million specimens taking up three floors.

VOA: standard.2009.12.08

open it up much later. Because they used to open it more earlier, much more earlier,

它的开放时间一度曾被延后。因为公园曾经的开放时间要早得多，

河滨公园 - SpeakingMax英语口语达人

And then your friend starts to open up just a little bit more.

这时你的朋友打开了话匣子。

I used to 课堂 - SpeakingMax英语口语达人