tunnel

noun

1. a passageway through or under something, usually underground (especially one for trains or cars)

e.g. the tunnel reduced congestion at that intersection

2. a hole made by an animal, usually for shelter

Synonym: burrow

verb

1. force a way through

2. move through by or as by digging

e.g. burrow through the forest

Synonym: burrow

1. 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.

e.g. ...two new railway tunnels through the Alps.
穿过阿尔卑斯山的两条新的铁路隧道
e.g. …the motorway tunnels under the Hudson river.
哈得孙河下的高速公路隧道

2. 挖隧道;挖地道
To tunnel somewhere means to make a tunnel there.

e.g. The rebels tunnelled out of a maximum security jail...
叛乱者挖地道逃离了戒备最为森严的监狱。
e.g. The caterpillars tunnel into the fruit to grow and mature.
毛虫钻入果实，并在其中生长为成虫。

3. see also: wind tunnel
light at the end of the tunnel -> see light

1. 遂道：VPDN的实现通常可通过第二层遂道(Tunnel)来实现. 即采用L2TP标准协议,在NSP拨号服务器上为每个企业或ISP建立以一个连接到企业或ISP网络路由器的遂道. 这种通过NSP网络的遂道建立和维护对NSP来说是极为繁琐的工作,较少为NSP采用.

2. tunnel的反义词

2. 隧洞：在工地上主要巡视了隧洞(tunnel),灌浆(injection),引桥(passerelle),放水塔(tour de prise)和大坝回填(remblais du barrage). 我什么也没听懂,赵老师边翻译边解释给我听. 我边听边记在心里. 赵老师说法国监理很严格翻译错的话从来不讲情面,