concentric
/kənˈsentrɪk/ (bre, ipa) · /kənˈsentrɪk/ (ame, ipa) · /kən-ˈsen-trik ˌkän-/ (ame, mw)
concentric — 形容詞
- concentricpositive
- more concentriccomparative
- most concentricsuperlative
1. Used to describe two or more circles, rings, or curved shapes that sit one insid
同心的
共用同一中心點的圓形或環狀
Used to describe two or more circles, rings, or curved shapes that sit one inside another and share a single middle point.
Paloma drew three concentric circles on the chalkboard to show how the planets orbit the sun.
Paloma 在黑板上畫了三個同心圓，用來說明行星如何繞著太陽運行。
typical use: concentric circles for diagrams
The wooden target had five concentric rings painted in red and white.
那塊木製靶上漆有五個紅白相間的同心圓環。
collocation: concentric rings on a target
When the stone hit the pond, concentric ripples spread out across the still water.
石頭落入池塘時，一圈圈同心的漣漪在平靜的水面上向外擴散。
Each tree stump shows concentric rings that tell us how many years the tree grew.
每一截樹樁上都看得到同心的年輪，告訴我們這棵樹長了幾年。
Builders set the new fountain inside two concentric stone walls for support.
工匠把新的噴泉放在兩道同心的石牆內以加強支撐。
- eccentric
geometrically opposite: shapes that do NOT share a centre
文法句型
concentric + plural noun (circles, rings, arcs)
用法筆記
Almost always used attributively before a plural noun naming round shapes (circles, rings, arcs, ripples). Rarely used predicatively after 'be'.