noun 下载 🔗分享 不熟悉,陌生,不了解。 Lack of familiarity; ignorance or inexperience. Examples : "His unfamiliarity with the software made it difficult for him to complete the task. " 由于他对这个软件不熟悉,所以完成这项任务对他来说很困难。 mind human condition ability education 与AI对话词汇游戏阅读练习