The palace is full of priceless antiques.宫殿里到处都是无价的古玩。knowledgeable about antiques对古物很在行An expert came to appraise the value of my antiques.一位专家来对我的古玩作了估价.And the Antiques Roadshow has paid dividends to small dealers as ...
Water precipitates camphor from its alcoholic solution.水能把樟脑从其酒精溶液中淀析出来.Precipitates are usually collected by centrifugation at intervals.常常是用离心法分段收集沉淀的.This important carbide precipitates both inter and intragranularly....