gild refined gold的意思|示意

做无需做的事 ... refined bitumen精制沥青 highly refined高度精制的 gild refined gold做无需做的事...

锦上添花 ...有营养价值的物质实际上却丧失了 gild refined gold;embellish what is already beautiful;More flowers in the brocade锦上添花 The present situation and prospects of technology for ethanol refined by Biomass in China中国生物质制乙醇技术的现状和前景...