词根词缀：exo-, ex-

【来源及含义】Greek: outer, outside, external; used as a prefix

【同源单词】exobiology, exobiotic, exocardia, exocardiac, exocardial, exocarp

词根词缀：gamo-, gam-, -gamy, -gamous

【来源及含义】Greek: marriage, union; wedding; pertaining to sexual union

【同源单词】adelphogamy, agamete, agamic, agamist, agamodeme, agamogenesis