familiar的名词形式是familiarisation，familiarisation中文意思是，熟悉
Australia has recently published 2 new Consumer Product Safety Standards: one pertaining to swimming and flotation aids for water familiarisation and swimming tuition;澳大利亚最近发布两项新的消费品安全标准：一项有关熟悉水性和学习游泳时使用的漂浮辅助用品；
