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