Liquefaction happens when waterlogged, loose soil (we call it " sand" ) turns into quicksand, temporarily.

当积水的松散土壤（我们称之为 “沙子”）暂时变成流沙时，就会发生液化。

Ideally, she can find somewhere with loose, easy-to-dig soil — like farmland already disturbed by human activity.

理想的情况下，她能找到一处松软而易于挖掘的土壤——例如已被人类开垦过的农田。

But some parts of Brooklyn, Queens and downtown Manhattan are on looser soil and sinking faster, the study said.

但研究称，布鲁克林、皇后区和曼哈顿下城的一些地区土壤较松散，下沉速度更快。

Years of soil mismanagement in the Great Plains had turned an extended drought even more devastating, leaving huge expanses of loose soil just sitting on top of the ground.

大平原地区多年的土壤管理不善使得持续的干旱更具破坏性，留下了大片松散的土壤。

The department is also, in the guise of the Defence Advanced Research Projects Agency (DARPA) and the Air Force Research Laboratory, collaborating with Biomason to develop biocement sprays that can turn sand or loose soil into runways.

该部门还打着国防高级研究计划局 (DARPA) 和空军研究实验室的幌子，与 Biomason 合作开发可以将沙子或松散土壤变成跑道的生物水泥喷雾剂。