動詞 center:

1. center upon
   同義詞：focus on, center on, revolve around, revolve about, concentrate on, center
2. direct one's attention on something
   同義詞：concentrate, focus, center, centre, pore, rivet
3. move into the center
   同義詞：center, centre

形容詞 centered:

1. being or placed in the center
2. concentrated on or clustered around a central point or purpose
   同義詞：centred, centralized, centralised, focused

1. Our hopes were centered on him.
   我們的希都集中在他身上。
2. Our debate centered on this Olympic Games.
   我們的辯論是以這次奧林匹克運動全為中心的。
3. The Antarctica is a continent centered roughly on the South Pole.
   南極洲是一片大致以南極為中心的大陸。

cen.tered

adj.（形容詞）
Being at or placed in the center.
在中心的：位于或放置于中心的
Having a specified center. Often used in combination:
有確定中心的：有確定的中心的。常用于復合詞中：
例句：
a soft-centered candy; a yellow-centered daisy.
軟夾心糖果；黃心的雛菊

Self-confident and well-balanced:
自信的，神智健全的：
例句：
.He`s a centered guy. He`s always seemed to know what he wanted, and gone after it in a concrete way.(Vanity Fair)
.他是個自信的人。他似乎總是知道想要什么，并以具體的方式追求.(名利場)