rapping ['ræpɪŋ]

以下由轻松背单词网站提供

附加级

n.轻击修光（锻造中）v.突然说出( rap的现在分词 )；（公开地）严厉批评；突然大声说出；连续敲叩

All at once there was a brisk rapping at the door. 这时忽听得有人急匆匆的在敲门。来自辞典例句
A sharp metallic rapping came on the front door. 前门上响起一阵刺耳的金属敲击声。来自辞典例句