mid age crisis mid age

He------（坚持认为） he shouldn't give seats to the mid-age woman Since the mid-20th century,biology has truly come of age,ach 英语翻译It was not until the mid-1980s,when amplifying增强 age and age Mid-Autumn mid是什么 Mid-Autumu mid是什么意思 mid是什么意思? 什么是Mid this.age = age mid mid$这两个有什么区别?