familiarity
名词复数：familiarities
词形变化：
同义词：
acquaintance | knowledge | understanding | friendship | intimacy | closeness | casualness | awareness | ease | expertise | adaptation | fluency | warmth | skill | experience | informality | friendliness | liberty | conversance | impropriety | indecorum | conversancy |
反义词：
词义辨析：
同义参见:
friendship
adaptation
knowledge
warmth
acquaintance
understanding