The motorboat cut across swift currents and skirted dangerous reefs.汽艇穿過激流,繞過險灘.Fish are abundant about the reefs.暗礁附近魚很多.The pilot guided us through the dangerous reefs.這位引航員引導我們通過了危險的暗礁區(qū)....
It's only been latterly that we've discovered that it's lots of individual reefs, around about 2,900 separate reef systems which make up the Great Barrier Reef.直到近來我們才發(fā)現(xiàn),它們其實是眾多獨立的礁石, 大約有2900個獨立的礁石系,組成了大堡礁...