And this band is the densest part of our own Milky Way Galaxy.

这条带是银河系中恒星最密集的部分。

So this area seems to be sort of set apart from this denser, urban part of the city, and these are the baths of Trajan.

这个区域似乎与稠密的城区分离，这是图拉真的浴池。

In a sense, we do, because most of the Universe is cold, empty space, and we live in a relatively warm and dense part of it.

从某种意义上说，的确是这样的，因为宇宙的大部分是寒冷、空旷的空间，而我们生活在相对温暖、稠密的地方。

Around 45 million years ago, the denser parts of the Nazca plate started to sink under South America faster than the lighter parts did.

大约 4500 万年前，纳斯卡板块密度较大的部分开始比密度较小的部分更快地沉入南美洲。

Hale will be working to make the rest of the forest as healthy as possible, restoring some degraded areas and thinning out some denser parts to let other trees thrive.

Hale将努力使森林的其余部分尽可能保持正常，恢复一些森林退化区，并使一些密集区变得稀疏一些，以便让其他树木茁壮成长。