in AM, use 美国英语用 tunneling, tunneled
1 N-COUNT 隧道;地道 A
tunnel is a long passage which has been made under the ground, usually through a hill or under the sea.
隧道;地道 2 VERB 挖隧道;挖地道 To
tunnel somewhere means to make a tunnel there.
挖隧道;挖地道 [Also VERB] View usage for:All yearsLast 10 yearsLast 50 yearsLast 100 yearsLast 300 years