...fat and sugars), necessary to support life in the arctic and polar regions, must be exchanged for the tissue-making, plastic or nitrogenous (vegetables), as we approach the equator... 
Richard F. Burton 「Two Trips to Gorilla Land and the Cataracts of the Congo Volume 1」
...The lastZiegler Polar Expedition of 1903-1905 is an example...
Matthew A. Henson 「A Negro Explorer at the North Pole」
...He had gratified his ambitions in shooting musk-oxen, but he hadnot killed a single polar bear...
Matthew A. Henson 「A Negro Explorer at the North Pole」
...Bears, with the exception of the Polar species, hibernate in winter...
Elmer Harry Kreps 「Science of Trapping」
...Contributions to the Natural History of Arctic America,made in Connection with the Howgate Polar Expedition, 1877-78...
Frank M. Chapman 「Color Key to North American Birds」
..."By the great Polar B'ar," Roaring Rory bellowedwhen Peter Gross had finished his recital...
John Charles Beecham 「The Argus Pheasant」
...The polar regions...
Francis Harper 「The Barren Ground Caribou of Keewatin」
...Greenland whale, Arctic right whale, great polar whale...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...Minke whales are distributed in the polar, temperate, andtropical waters of the western North Atlantic...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...654, In Narrativeof a journey to the shores of the Polar Sea ...
E. Raymond Hall 「Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores」
...The small swans do not nest so far south, but pursue their course still onward to the Polar Sea...
Mayne Reid 「The Hunters' Feast」
...So when the polar bear sits down veryquietly on the snow and ice, nobody can see him even from a shortdistance, because he is the same color as the snow and ice...
Prince Sarath Ghosh 「The Wonders of the Jungle」
...But now I shall tell you more about the polar bear...
Prince Sarath Ghosh 「The Wonders of the Jungle」
...The polar bear displays a great love for its young andmany pathetic stories are told of its rage and grief atthe loss of them...
Various 「Natural History in Anecdote」
...Like the brown and black bear, polar bears are animals capable of great fierceness...
Samuel Griswold Goodrich 「Illustrative Anecdotes of the Animal Kingdom」
ランダム例文：
organize convivial familiarities
便利！手書き漢字入力検索
この漢字は何でしょう？？