coral reef

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Oceanography, Biology

ˌcoral ˈreef noun [countable]  HEOa line of hard rocks formed by coral, found in warm sea water that is not very deep 珊瑚礁

Examples from the Corpus

coral reef• If the system started to drift away from the requirements of a coral reef, Gomez would flush the trays.• Marine scientists were pretty sure a coral reef, like any complex ecosystem, must be assembled in the correct order.• Where does the synthetic coral reef end and the chanting wave machine begin?• Five years after Gomez launched the coral reef, it is only now configuring itself into self-sustenance.

ˌcoral ˈreef nounChineseSyllable  

formed of line coral, a rocks hard Corpus by

coral reef
ˌcoral ˈreef noun [countable]
a line of hard rocks formed by coral, found in warm sea water that is not very deep