[306-191] reciprocal
adj.相互的;交往的(mutual, exchanged)[307-191] liaison
n.联络(contact, connection)[307-191] impart
vt.给予;传递;告诉(inform, disseminate)[307-191] consort
vt.结交(associate, connect)[307-191] disseminate
vt.散布,传播(disperse, distribute, spread, impart)[307-191] tip
vt.接触(contact)