Sedimentary rocks—the most common rock type near the surface—are also the most common reservoirs for water because they contain the most space that can be filled with water.

沉积岩——地表附近最常见的岩石类型——也是最常见的储水层，因为它们可以装水的空间最多。

youdao

The kind of POTS to be filled with water can be sealed up and will not leak.

要盛水的那种陶罐，可以密封起来不会漏的。

youdao

Valve must be able to be blown into (to add air via mouth) AND to be filled with water.

阀门必须能够被抬高到(通过阀口充入空气)和用水填充。

youdao

Two cranes fixed to the platform will pull the ship upright, helped by the weight of the caissons, which will be filled with water.

CNN: Wrecked Costa Concordia to be raised from Italian sea bed

While the walls of the Inspiration Mars spacecraft will initially be lined with water-filled bags to guard against cosmic rays, their contents will be gradually replaced with er, byproduct that will be dehydrated through the bag (possibly using polyethylene) to reclaim and purify water for drinking.

ENGADGET

But the bottom line is, is that there clearly appears to be a challenge keeping that spent fuel filled with sufficient water.

WHITEHOUSE: Press Briefing