基本解释[生物学]蹶鼠英汉例句双语例句Objective To study the antitumor effects of the extraction of birch bark(EBB)and its influence to the immune function of the tumor-bearing mice.目的探讨桦树皮的抗肿瘤作用和对荷瘤小鼠免疫功能的影响。birch mice更多例句专业释义生物学蹶鼠