toll-free
adj. 免电话费的
adv. 免电话费地
近义词：free，complimentary，gratis，cost-free，costless，freeofcharge，fornothing，withoutcharge，
英英释义
Adjective
- having no toll levied for its use;
"a toll-free road" "a toll-free telephone number"
例句
用作形容词(adj.)
- Please send me the bill of the toll.请把长途电话费的帐单寄给我。
用作副词(adv.)
- Please send me the bill of the toll.请把长途电话费的帐单寄给我。