conch

US /kɑːŋk/
UK /kɑːŋk/
"conch" picture
1.

海螺, 海螺壳

a tropical marine mollusk with a spiral shell that may bear long projections and have a flared lip. Conch shells are often used as ornaments or for blowing to produce a musical sound.

:
The diver found a beautiful conch shell on the seabed.
潜水员在海底发现了一个美丽的海螺壳。
He blew into the conch shell to signal the start of the ceremony.
他吹响海螺壳,示意仪式开始。