plugging [plʌgɪŋ]

以下由轻松背单词网站提供

附加级

n.（用木塞）堵漏v.插上插头( plug的现在分词 )；以（塞子）塞住

She keeps plugging away at French. 她一直在拼命地学法语。来自《简明英汉词典》
An irrigation system is selected that is less prone to plugging. 选择这样一个灌溉系统很少会阻塞。来自辞典例句