central
名词 central:
a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
同义词:telephone exchange, exchange
形容词 central:
serving as an essential component
同义词:cardinal, fundamental, key, primal
in or near a center or constituting a center; the inner area
used in the description of a place that in the middle of another place
centrally located and easy to reach