service dog, 服務犬

Prime, a Rottweiler who works as a service dog, is seen during the meet the breeds companion event to the Westminster Kennel Club Dog Show, Feb. 11, 2017, in New York. (Photo: Mary Altaffer/AP)
Photos of the day - February 11, 2017
https://www.yahoo.com/news/photos-day-february-11-2017-slideshow-wp-215359946/photo-p-woman-shows-her-ink-photo-215359883.html