atoll

US /ˈæt.ɑːl/
UK /ˈæt.ɑːl/
"atoll" picture
1.

atol

a ring-shaped coral reef or island or a string of coral islands enclosing a shallow lagoon

:
The divers explored the vibrant marine life around the atoll.
Penyelam meneroka kehidupan marin yang meriah di sekitar atol.
Many Pacific islands are formed by atolls.
Banyak pulau Pasifik terbentuk oleh atol.