词根词缀：astro-, astr-

【来源及含义】Greek: star, stars, star shaped; also pertaining to outer space

【同源单词】apastron, archaeoastronomer, archaeoastronomy, astro-alchemist, astrobiology, astroblast

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