trombones

"The patient followed the doctor's instructions carefully. "

"The patient ornithologist pointed out a bittern camouflaged among the reeds at the edge of the marsh. "

"The violinist was a master of her instrument."

"one of the fundamentals of linear algebra"

"He slid the boat across the grass."

"Except for one or two days a year, he usually walks to work."

"My sometimes neighbor, a retired teacher, still visits the school occasionally. "

"Try to spot the differences between these two pictures."

"The water bottle is cylindrical, making it easy to grip and carry. "

"The pursuit of a better education motivated her to study hard. "

"Jim plays the trombone very well."

"The school's annual musical was a huge success, with the students performing catchy songs and energetic dances. "