您要查找的是不是：
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- They are digging through the hill to make a tunnel. 他们正在凿山建一条隧道。
- Can you free the propeller from the weeds? 你能把螺旋桨上的草除掉吗?
- A piece of string has twisted round the propeller. 一根绳子缠在螺旋桨上了。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- The ship's propeller churned the waves to foam. 那条船的推进器把水浪搅动得泡沫四起。
- 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。
- He has to stoop to get through the tunnel. 他得弯下腰走过地道。
- 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。
- tunnel propeller 轴隧推进器
- The roof of the tunnel caved in (on the workmen). 隧道顶坍塌(压住工人).
- wind tunnel propeller 风洞螺旋桨
- The propeller will windmill and crank the engine. 螺旋浆将旋转并转动引擎的曲柄。
- The roof of the tunnel was supported by wooden props. 坑道顶用木柱支撑。
- The propeller turns a small D.C. generator. 螺旋桨带动一个小型直流发电机。
- A tunnel dug to intercept and destroy an enemy's mine. 对抗地道截断或破坏敌人坑道而挖的地道
- An airplane having such a propeller. 螺旋桨飞机有这样一种螺旋桨的飞机
- Suddenly the train roared into a tunnel and everything was black. 突然火车轰隆隆地驶入一个隧道，四周的一切都漆黑一团。
