您要查找的是不是：
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- This destroyer can overrun any submarine. 这艘驱逐舰的速度比任何潜水艇都快。
- The vessel was ruined by a submarine. 那艘船是被潜水艇毁坏的。
- The ship was sunk by an atomic submarine. 这艘船是被一艘核潜艇击沉的。
- The submarine rose to the surface. 潜艇露出了水面。
- They planned to send a rocket to the moon. 他们计划向月球发射火箭。
- The ship was stopped by a surfaced submarine. 那艘船被一浮出水面的潜水艇拦住了。
- Submarine cables were laid across the Atlantic. 铺设了横越大西洋的海底电缆。
- Can you git a fix on the submarine? 你能确定那潜艇的位置吗？
- The submarine submerged to avoid enemy ships. 该潜艇潜入水下以躲避敌舰。
- The frigate rammed the submarine. 护卫舰撞击了潜艇。
- Imagine a rocket that can travel at the rate of light! 想象一下能以光的速度飞行的火箭。
- A rocket manned by trained astronauts will launch soon. 载有受过训练的宇航员的火箭马上就要发射了。
- A telegram sent by submarine cable. 海底电报通过海底电缆拍发的电报
- Scientists have computed the probable course of the rocket. 科学家利用计算机计算了火箭可能运行的轨道。
- The rocket did one circuit of the earth and returned to base. 火箭绕地球运行一周后返回基地。
- An aircraft takeoff aided by an auxiliary jet or rocket. 助飞用喷气机或火箭帮助航空器起飞
- submarine rocket 潜艇火箭
- At the first sign of danger the submarine will submerge. 一有危险迹象，潜艇就会潜入水中。
