词根：-centr-

【词根含义】：中心

【词根来源】：来源于拉丁语名词centrum, centri, n(轴心,圆心,球心)。

【同源单词】：acentric, center, central, centralise, centralism

词根：-spher-

【词根含义】：球

【词根来源】：来源于拉丁语名词sphaera, -ae, f(球)。

【同源单词】：atmosphere, atmospheric, biosphere, centrosphere, hemisphere

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：sphero-, spher-, -sphere-

【来源及含义】Greek: ball, round, around; globe, global; body of globular form; by extension, circular zone, circular area

【相关词根词缀】 Related ball, sphere-word units: glob-, glom-; hemoglobin-.

【同源单词】adminisphere, aerosphere, allobiosphere, anthroposphere, asphere, aspheric