created sense approved 投硬币/投硬幣 · tóuyìngbì · coin-operated
投硬币 / 投硬幣
tóuyìngbì
coin-operated
describing a device or service that is activated by inserting a coin
这种老式的投硬币电话现在已经很少见了。
created sense approved 投硬币/投硬幣 · tóuyìngbì · insert coin
投硬币 / 投硬幣
tóuyìngbì
insert coin
to insert a coin into a machine or container
投硬币后，机器会自动运行。