...It promptly froze open, and liquidair, the remnant of what in primordial days was an outer atmosphere,poured down the tunnels... 
Various 「Astounding Stories, August, 1931」
...ich'l took one of the small mechanical service tunnels back to hisoffice...
Various 「Astounding Stories, August, 1931」
... She tugged at him and led him back along the tunnel and through other tunnels to the throne room, where she made him sit at her feet again...
Talbot Mundy 「King--of the Khyber Rifles」
...The Bank Swallow is a bird of the air who tunnels theearth for a nesting-place...
Frank M. Chapman 「What Bird is That?」
...What a pity they cannot hire moles tomake the tunnels with their strong, flat, spade-like feet...
Neltje Blanchan 「Birds Every Child Should Know」
...Most specimens from Nicolás were brought by nativesto the collector, but some were caught in traps set in tunnels amongthe desert bushes...
Ticul Alvarez 「The Recent Mammals of Tamaulipas, Mexico」
...The tunnel is two tosix feet long and many tunnels are strewn with bones and other dietaryrefuse...
Richard F. Johnston 「The Breeding Birds of Kansas」
...The burrow system, or den, in which spectabilis stores its caches offood materials, has its nest, and remains throughout the hours of daylightis a complicated labyrinth of tunnels...
Charles T. Vorhies and Walter P. Taylor 「Life History of the Kangaroo Rat」
...Badger tunnels were noted in numerous surface mounds that are remnants ofprehistoric Indian dwellings, but no badgers were seen...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...Another important part of the forest is the subterranean level—the rich mulch, underground tunnels, and rotting subterranean vegetation...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
...Within this lowergallery is a chamber, which communicates with the upper gallery by threedescending tunnels...
R. Lee 「Anecdotes of the Habits and Instinct of Animals」
...Two or three tunnels are dug from thebottom of the beaver pond up through the bank,coming to the surface together at the point wherethe center of the house is to be...
William J. Long 「Ways of Wood Folk」
...The home of the mole is usually beneath a tree or hillock, and remindsone of a miniature city of tunnels and engineering feats...
Royal Dixon 「The Human Side of Animals」
...And these tunnels are the result ofcombined labour on the part of the entire community...
Royal Dixon 「The Human Side of Animals」
...For several feet in everydirection around here the ashes were traversed by the tunnels and densof these animals, some of them extending down into the clay...
Gerard Fowke 「Archeological Investigations」
...Natural bridges and tunnels of varying lengths and widths are rathercommon in this part of the Osage Valley...
Gerard Fowke 「Archeological Investigations」
... tunnels withendless passing vehicles! Tubes...
Victor Rousseau 「Astounding Stories of Super-Science January 1930」
... there came a red flash from one of theupward tunnels and a brilliant crimson ray stabbed down and mowed apath of annihilation in the cave's earthen side!...
Various 「Astounding Stories, April, 1931」
...The worm monsters attempted no resistance, but sought only to escapeinto their downward tunnels, and in moments those not caught by therays had vanished in the openings...
Various 「Astounding Stories, April, 1931」
ランダム例文：
twentieth Fulda strident
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