Prothero stayed three nights in Paris. "There is an extraordinary excitement about Paris," he wrote. "A levity. I suspect the gypsum in the subsoil--some as yet undescribed radiations. Suddenly the world looks brightly cynical. None of those tear-compelling German emanations. "And, Benham, I have found a friend. "A woman.英文原著 · 《The Research Magnificent》
However that might be, there was, under the Scottish subsoil, what might be called a subterranean county, which, to be habitable, needed only the rays of the sun, or, for want of that, the light of a special planet.英文原著 · 《The Underground City》
"We are in the subsoil of the county of Stirling, Mr. Starr," replied Simon Ford; "and that I assert as if--"英文原著 · 《The Underground City》
our brethren of the United States through the subsoil of the ocean! let us dig into the center of the globe if necessary, to tear out the last scrap of coal."英文原著 · 《The Underground City》
A double line of railway, the wagons being moved by hydraulic power, plied from hour to hour to and from the village thus buried in the subsoil of the county, and which bore the rather ambitious title of Coal Town.英文原著 · 《The Underground City》
AI 补充例句（附中文翻译）
The roots of these large trees grow deep into the nutrient-rich subsoil.
You must remove the topsoil before digging down into the hard subsoil.
Excessive rain can cause water to collect and stagnate in the subsoil.过量的降雨会导致水分在下层土中积聚并停滞。