基本解释珠蚌同根派生 unionid相关词英汉例句A comparative observation on glochidial morphology of two unionid species(unionidae) 蚌科兩種蚌鉤介幼蟲形態的比較觀察Morphological variations and discriminant analysis of five freshwater unionid species (Bivalvia: Unionidae) 五種蚌的形態變異與判別分析unionid更多例句