词根词缀:diplo-, dipl-
【来源及含义】Greek: double [two-fold]
【同源单词】diplobacillus, diplobacteria, diplobacterium, diploblastic, diplocardia, diplocardiac
词根词缀:gastr-, gastro-, gaster-, gastero-, gastri-, -gastria-
【来源及含义】Greek: stomach, belly
【同源单词】aerogastria, agastria, agastric, amphigastrium, amphigastrula, arachnogastria