1. 老年学：gerontic 年迈的 | gerontics 老年学 | gerontine 肝胺
1. \u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D
1. A survey conducted by the China Gerontics Research Centre in 2000 shows about 42 per cent of elderly people were still working.