base stretchingの例文

• In the 1980s business strategists realized that there was a vast knowledge base stretching back thousands of years that they had barely examined.
• The S3D missiles, weighing 25 tons, were kept in concrete silos on the base stretching over 300 square kilometers ( 115 square miles ).
• In 1987, Choi incorporated everything he had learned into his own martial art system called Choi Kwang Do, which translates as  the art ( or method ) of Kwang Choi .  Choi maintains that Choi Kwang Do is free from the mysticisms of traditional martial arts, yet he advertises that his art practises yoga-based stretching.