基本解释[經濟學]樹皮畫英汉例句雙語例句Its bark is an important raw material for picture paper production and pocesses high economic value.樹皮是生産宣紙的重要原料，經濟價值高；bark picture更多例句词组短语短語tree bark picture 樹皮畫picture in bark 樹皮畫bark picture更多词组专业释义經濟學樹皮畫