请问我的翻译有没有语法问题

大妈是对中年妇女的称呼，但是现在特指不久前金价大跌时大量购买黄金的中国妇女。
"Dama" which is a form of address of middle-aged women in China is now referring in particular to Chinese women who rushed to buy gold when the price of gold slumped not long ago.