familiarity
n. 精通，通晓；熟悉，亲切感；随便，冒昧
复数 familiarities
例句
Tony was unnerved by the uncanny familiarity of her face.
托尼被她不寻常的熟悉面孔弄得心烦意乱。
《柯林斯英汉双解大词典》
When she saw the house, she had a feeling of familiarity.
她见到这座房子就有一种熟悉的感觉。
《牛津词典》
The enemy would always have the advantage of familiarity with the rugged terrain.
敌人会一直在对崎岖地形的熟悉上占有优势。
