入门字
central (a.) 中心的
centr/ al
center/ 形容词字尾
进阶字
1. centrifugal (a.) 离心的
centri/ fug/ al
center/ flee/ 形容词字尾
Earth stays on the orbit around the sun because the centrifugal force is balanced by the gravitational force.
地球能在绕日轨道上运转是因为离心力和重力互相抵消。
2. centripetal (a.) 向心的
centri/ pet/ al
center/ seek/ 形容词字尾
The centripetal force and the centrifugal force are equal in magnitude but opposite iin direction.
向心力和离心力一样大，只是方向相反。
3. concentration (n.) 集中，专注
con/ centr/ at/ ion
加强语气/ center/ 名词字尾
It takes a tremendous amount of conccentration to play this video game.
打这个电玩要非常专注。
4. concentric (a.) 同心的
con/ centr/ ic
together/ center/ 形容词字尾
Ptolemaic cosmology pictures the universe as a series of concentric circles, with Earth at the center.
托勒密的宇宙论将宇宙描绘成一系列的同心圆，地球在中心。
5. decentralize (v.) 分散
de/ centr/ al/ ize
away/ center/ 动词字尾
TIME Inc. recently decentralized operations by shifting authority to regional headquarters.
时代公司最近分散控制权，把权利下放到各地区总部。
6. eccentric (a.) 怪癖的 (n.) 怪人，我行我素的人
ec(ex)/ centr/ ic
out/ center/ 形容词字尾
名词字尾
“Maverick” was the name of an eccentric rancher who refused to brand his cows.
[孤牛]原本是一个古怪的牧场主人之名，他不肯讲自己养的牛烙上印记。
7. egocentric (a.) 自我中心的
ego/ centr/ ic
self/ center/ 形容词字尾
Man by nature is egocentric, and thinks mostly of himself.
人的天性是以自我为中心的，通常只想到自己。
8. geocentric (a.) 以地球为中心的
geo/ centr/ ic
earth/ center/ 形容词字尾
The Ptolemaic universe is also called the geocentric universe.
托勒密所说的宇宙又称为以地球为中心的宇宙。
