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：lenti-, lent-, lens-

【来源及含义】Latin: lens, lentil

【相关词根词缀】 Related references to "eye" or "eye part" word families: blepharo-; core-; corneo-; eye, eyes; irido-; lenticulo-; ocelli-; oculo-; op-, -optic; ophthalmo-; phaco-; pupillo-; retino-; uveo-.

【同源单词】achromatic lens, acoustic lens, bifocal lens, compound lens, concavoconvex lens, lens