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：-ist

【来源及含义】Greek > Latin: a suffix; one who believes in; one who is engaged in; someone who does something

【同源单词】abiogenist, abolitionist, abortionist, abrakophile, absolutist, absurdist

词根词缀：physic-, physico-, physi-, physio-, phy-

【来源及含义】Greek: nature, natural, inborn [to make grow, to produce]

【同源单词】abiophysiology, adenohypophysis, adenohypophysitis, aerophysics, aesthophysiology, anapophysis