◎ lack是什么意思 n. 缺乏, 无, 不足vt. 缺乏, 短少, 不足, 需要vi. 缺乏 n. the state of needing something that is absent or unavailable lack的用法和例句: 1. Not from lack of air, from lack of activity. 不是缺少空气 是缺少活动 2. It's not a lack of intellig...