求翻译：　　目前，各国央行2011年上半年买入黄金总量已超过2010年全年，市场预计中国储备黄金的需求更是异常强烈。是什么意思？

　　Currently, central banks to buy gold on the first half of 2011 has exceeded the total throughout 2010, the expected reserves of gold in the market demand is unusually strong.