热文观察...
  • “cerain”的英英意思

    “cerain”的英英意思

    单词 cerain 释义 cerain Chem.|sren|[f. L. cra wax + -in.]‘A name applied by Boudet and Boissenot to the portion of beeswax which is sparingly soluble in alcohol, and, according to their statement, is not saponified by potash. It appears to be chiefly im...

    2025-08-03