trunk-call

n (Brit dated 旧) (US long-`distance call) telephone call to a distant place in the same country （国内）长途电话.

true north, true-blue, true-hearted, true-life, true-love, truely, truffle, trug, truism, truly, trump, trump-card, trumpery, trumpet, truncate, truncated, truncheon, trundle, trundle-bed, trunk, trunk-road, truss, trust, trust company, trust fund, trusted, trustee, trusteeship, trustful, trustfully, trustfulness, trustworthiness, trustworthy, trusty, truth, truthful, truthfully, truthfulness, try, try for,