相关单词近義詞 stony 石頭的, solid 固躰的, firm 公司, cast-iron 鑄鉄的hard as nails, 鉄石心腸, indestructible 不易燬壞的臨近詞rock, Rockberg相似詞rock salt, rock the boat idiom, rock up, rock-a-bye, rock-solid, rockabilly, rocker, rocker switch, 返回 rock-hard