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- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- The arch has a span of 60 metres. 那个拱的跨度为60米。
- They are digging through the hill to make a tunnel. 他们正在凿山建一条隧道。
- The boy walks through the undecorated arch. 那男孩走过未经装饰的拱门。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- They considered him their arch opponent. 他们将他看成是主要对手。
- Marble Arch is a famous London landmark. 大理石拱门是著名的伦敦标志。
- The two lanes merge going into the tunnel. 两条车道会合后引入隧道。
- The truck cleared the tunnel safely. 卡车安全地通过了隧道。
- Go through the arch and follow the path. 穿过拱门，沿著那条路走。
- He has to stoop to get through the tunnel. 他得弯下腰走过地道。
- Have you been to the Triumphal Arch? 你去过凯旋门吗？
- The roar of the train reverberated in the tunnel. 火车的轰隆声在隧道里回荡。
- The prisoner escaped by digging an underground tunnel. 囚犯挖了一条地道逃跑了。
- The keystone in the crown of an arch. 拱顶石位于拱顶的塞缝石
- An arch over an entrance or passageway. 拱门，牌楼入口或通道上的拱顶
- The arch of short hairs covering this ridge. 眉毛覆盖于眉上的拱状短毛
- The roof of the tunnel caved in (on the workmen). 隧道顶坍塌(压住工人).
- It is positive to tunnel if build the invert arch in time. 及时施作仰拱对隧道结构抗震有着积极的作用；
- The roof of the tunnel was supported by wooden props. 坑道顶用木柱支撑。
