lacking ['lækiŋ]

以下由轻松背单词网站提供

附加级

adj. 缺少的, 没有的; 动词lack的现在分词

She's not usually lacking in confidence. 她平时并不缺乏自信心。
Because of lacking experience, he often rose to the fly. 由于缺乏经验，他常上当受骗。