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：botano-, botan-

【来源及含义】Greek > Latin: plants, plant life [originally, "herb, grass, pasture"] to botany

【同源单词】astrobotanist, astrobotany, botanic, botanical, botanical plants, botanically