1 . 亲密
familiarity 熟悉familiarization亲密familiarize 熟悉
2 . 熟悉化
familiarization归化, familiarization熟悉化, familiarization掌握技能
3 . 掌握技能
familiarity 融洽, familiarization掌握技能, familiarization归化
4 . 熟知化
familiarization掌握技能, familiarization熟知化, familiarization熟悉化