这几个字母可以组成英文单词rock。

意思是：n.岩石;石山;礁石;巨石块;岩块。v.(使)轻轻摇晃，缓缓摆动;惊吓;使震惊;使害怕;(使)剧烈摇摆，猛烈晃动。例句：

1. These rocks have been dated radiometrically at two billion years old.经辐射能探测，这些岩石形成于20亿年前。2.The ship was blown onto the rocks.强风使船撞上了礁石。3.He rocked the baby gently in his arms.他抱着孩子轻轻摇晃。