中心点
近义词与同义词
按词义分组列出，使用时请结合具体语境。
an area that is approximately central within some larger region; "it is in the center of town"; "they ran forward into the heart of the struggle"; "they were in the eye of the storm"
a building dedicated to a particular activity; "they were raising money to build a new center for research"
a point equidistant from the ends of a line or the extremities of a figure
a circumstance upon which subsequent events depend; "his absence is the hinge of our plan"