사람이나 척추동물의 코 끝에 있는 두 개의 구멍으로 공기가 드나들며 냄새를 맡는 통로.
Either of the two external openings of the nose in humans and various other vertebrates that allow the passage of air to the lungs and the sensing of odors.
예문:
"The horse's nostrils flared wide as it sprinted toward the finish line."
"He took a deep breath through his nostrils to calm his racing heart."
"The doctor used a small light to inspect the inside of the patient's nostrils."