词根词缀：centro-, centr-, centri-, kentro-

【来源及含义】Greek > Latin: center; middle point, mid point; focus, focal point, focalize; zero in on

【相关描述】This element originally meant "sharp point, goad" or "spur".

【同源单词】acentric, acentric, acrocentric, allocentric, ambulatory surgery center, amphicentric

词根词缀：tropho-, troph-, -trophy, -trophs, -trophically, -trophic, -trophous

【来源及含义】Greek: food, nutrition, nourishment; development

【相关描述】Don't confuse this tropho-, -trophy element with tropo-, meaning "turn, turning," etc.

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "food, nutrition, nourishment": alimento-; broma-; carno-; cibo-; esculent-; sitio-; Eating Crawling Snacks; Eating: Carnivorous-Plant "Pets"; Eating: Folivory or Leaf Eaters; Eating: Omnivorous.

【同源单词】abiatrophy, abiotrophia, abiotrophic, abiotrophy, acardiotrophia, allogotrophia