...He’s got better railways behind him, and he’sfighting on inside lines and can concentrate fast against any bit of our front... 
John Buchan 「Mr. Standfast」
...They cannot concentrate longenough upon a single idea...
Edgar Rice Burroughs 「Tarzan the Untamed」
...He attempted to concentrate his mind upon the twenty-fourwives which this great bird most assuredly would permit him tocommand...
Edgar Rice Burroughs 「Tarzan the Untamed」
... Laputa knew perfectly well that we had not enough men topatrol the whole countryside, but that the river enabled us to dividethe land into two sections and concentrate strongly on one or theother...
John Buchan 「Prester John」
...truei; possibly the adultflies concentrate in the open, grassy areas where P...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...We may now disregard both the outer ovolemma and the greater part of thevesicle, and concentrate our attention on the germinative area and thefour-layered embryonic disk...
Ernst Haeckel 「The Evolution of Man」
..."Please try to concentrate, and see if any effective weaponsuggests itself to you—something more available at the moment thanmachine-guns...
Various 「Astounding Stories of Super-Science September 1930」
... concentrate hispower on any individual...
Various 「Astounding Stories of Super-Science September 1930」
...McGuire glared back into that face,and he tried with all the mental forcethat he could concentrate to get acrossto the exultant one the fact that theyhad not wholly conquered him...
Various 「Astounding Stories of Super-Science, December 1930」
...Yet actually I believe it would have required aconsiderable commotion to have distracted his attention, for hisability to concentrate was one of the characteristics of his genius...
Various 「Astounding Stories of Super-Science, October, 1930」
...We shall, however, findit desirable to narrow the question still more, and concentrate ourattention on one splendid illustration...
Robert Stawell Ball 「The Story of the Heavens」
...Or the different sectionswould march out independently, and concentrate on a point agreed upon...
Joseph Lievesley Beeston 「Five Months at Anzac」
...Nature now seemed tointend to concentrate all the usual heat of an Australian summer intothe two remaining months that were left to her...
Ernest Giles 「Australia Twice Traversed, The Romance of Exploration」
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