...The methods of teaching may be the same; but there will be adifference in the tone of voice and in the manner that will more or lesspuzzle the learner, and retard rather than advance his education... 
Dinks, Mayhew, and Hutchinson 「The Dog」
...Damaged feeds retard or prevent digestion, and sometimes they contain orcause to be generated substances that irritate the digestive tract, or aredistinctly poisonous to the animal...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Furthermore, all ticks that can be seen should beremoved from the sick cattle, as they keep weakening the animal by withdrawinga considerable quantity of blood, and thereby retard recovery...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Careful handling of animalswas found to prevent, or at least retard, retraction of the testes...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...As some people think they can light up the sun or speed him onhis way, so others fancy they can retard or stop him...
Sir James George Frazer 「The Golden Bough」
...The sun produces tides in Jupiter, those tides retard the rotation ofJupiter...
Robert Stawell Ball 「The Story of the Heavens」
...Clairaut, assisted by Lalande, found that Saturn would retard thecomet 100 days, Jupiter 518 days, and predicted its return to perihelion onApril 13th, 1759...
George Forbes 「History of Astronomy」
...New difficulties, however,sprung up to retard still longer the appearance of this most importantwork...
David Brewster 「The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler」
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