coral

The Great Barrier Reef is famous for its vast and colorful formations of living coral.

(Chinese) 大堡礁以其巨大且色彩斑斓的活珊瑚群而闻名。

Divers must be careful not to touch the coral, as it is very fragile and grows slowly.

(Chinese) 潜水员必须小心不要触摸珊瑚，因为它非常脆弱且生长缓慢。