In addition to the interlocking underground rhizomes, they have yet another adaptation, and it is ... well, we are back to reverse osmosis again.

除了相互交错相扣的地下走茎外，它们还有另一种进化……嗯，我们又回到了反渗透。

youdao

"Once well underground," he said, "you know exactly where you are."

“一旦到了地下，”他说，“你就知道自己在哪儿了。”

youdao

There is an impressive gym with gothic decor; and that swimming pool, underground yet ingeniously daylit; as well as other rooms due to be turned into club rooms and restaurants.

这里有令人印象深刻的哥特式风格健身馆，游泳池，构造独特的地下室，以及即将成为俱乐部和餐厅房间。

youdao

The only visible water is frozen, and that is probably true of any that is hidden underground as well.

ECONOMIST: A drought on Mars

Hackers and the others who have the skill to alter the programming of these machines must start putting ghosts in them, which act in our defense of us, when ordered to terminate us, we will be in need of a very great underground, well financed, fragmented so the whole organization cannot be eliminated in a weekend!

FORBES: Connect

That contaminated water along with groundwater that flows into the reactor buildings either has to be recycled or put in storage, leading to the creation of the seven underground pools as well as hundreds of tanks above ground.

WSJ: Leaks Rouse Fears at Japanese Nuclear Plant