n. 中心, 中心点, 中锋
a. 中央的, 位在正中的
vt. 集中, 定中心
vi. 居中
[计] 居中; 中央
英文释义
n. an area that is approximately central within some larger region
n. a building dedicated to a particular activity
n. a point equidistant from the ends of a line or the extremities of a figure