Gray reef sharks and red snappers hover above a patch of table coral waiting for prey fish to emerge.

灰色的暗礁鲨鱼群和红色的笛鲷群徘徊在一片的台子珊瑚之上，等待猎物鱼出现。

youdao

Yijianfang formation of Middle Ordovician sedimentary period is the open platform of regional seawater shoaling with platform-inter-shallow patch reef sedimentary.

中奥陶统一间房组沉积时期为区域性的海水变浅的开阔台地台内浅滩夹点礁沉积。

youdao

Patch reef: small colonies of corals, sometimes less than 10 m (33 ft) in diameter.

UNESCO: L O S S A R Y