Lors de

 l'assèchement  progressif

Adjective

  de

Adposition

  ces

Determiner

  marais

Noun

,  la

Determiner

  race

Noun

  fut

Auxiliary

  convertie

Verb

  en chien

  truffier

Adjective

.

During the gradual drying of these marshes, the breed was converted into a truffle dog.

During the gradual drying of these marshes, the breed was converted into a truffle dog.