With great difficulty, the fisherman manoeuvred his small craft close to the reef.

渔夫艰难地驾着小船靠近了礁石。

《柯林斯英汉双解大词典》

Blacktip reef sharks (Carcharhinus melanopterus), although widespread around the Pacific, appear to have small ranges within their home reef system.

黑鳍礁鲨虽然广泛分布于太平洋，但似乎只是生活在其周围很小范围内的暗礁群。

youdao

Just a small increase in average temperatures could cause massive coral bleaching on the reef, he said.

他说，平均温度上升一点点就可能导致珊瑚礁大面积褪色变白。

youdao

Samara is a small crescent-shape reef protected bay, making it ideal for safe swimming or learning how to surf.

FORBES: Let The Sun Do Its Magic: A Wellness Beach Adventure In Costa Rica

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

UNESCO: L O S S A R Y

The consultation provided the first opportunity for all key stakeholders to convene and discuss the safeguarding of Nan Madol, a complex of archaeological sites built on a coastal reef flat near the small Tewen Island on the east coast of Pohnpei.

UNESCO: OFFICE IN APIA