“礁石”怎么读？

油轮紧卡在礁石中间动弹不得。The tanker is stuck fast on the rocks.海水冲击礁石, 激起高高的浪花.Swashing against the rocks, the breakers sent up a fountain of spray.海浪冲击着礁石, 飞起像珠子般的水花.The wave lashed against the rocks, sending up pearly spray....

“礁石”的英语可以翻译为：eef，rock，riff ...