Sentence examples for has been perfecting from inspiring English sources

Google has been perfecting its ad-ranking software for years.

American Superconductor has been perfecting a way to manufacture such fibres routinely.

This year, Mr. Lemann has been perfecting a brandade as a functional equivalent of gefilte fish.

"Cowboy Worship" is an aptly named counterpart to the warbling, introverted folk McMahon has been perfecting over the past decade.

Mr. Blass owns six pairs and has been perfecting the look since high school in the early 1940's.

Another reason for a new club is a current invasion of English-bred mice developed by England's National Mouse Club, which has been perfecting them since 1895.

Once this has been perfected, it will look very impressive.

"Mind you, they've been perfecting this for 2,000 years".

For several weeks Hefner had been perfecting a new delivery.

They've been perfecting the art of loud for years.

By 2005, it had been perfected.