英语词汇“rock-butter”的翻译、意思、用法、释义-英汉汉英词典

单词	rock-butter
释义	詞目：Rock-butter 1908顏惠慶英華大辭典Rock-buttern.1A soft mineral substance, consisting of alum mixed with alumina and oxide of iron, 明礬類明礬類p 1934　1908顏惠慶英華大辭典　1筆
随便看	ebomegobius herre ebomegobius herre，1946 ebon ebonation ebone ebonics ebonies ebonise ebonist ebonit ebonite ebonite board ebonite bush ebonite bushing ebonite clad cell ebonite driver ebonite dust ebonite, hanrd rubber ebonite; hard rubber ebonite reed relay ebonite rubber ebonites ebonite sheet ebonite sleeve ebonize