相关单词近义词 stony 石头的, solid 固体的, firm 公司, cast-iron 铸铁的hard as nails, 铁石心肠, indestructible 不易毁坏的临近词rock, Rockberg相似词rock salt, rock the boat idiom, rock up, rock-a-bye, rock-solid, rockabilly, rocker, rocker switch, 返回 rock-hard