Accident in the Atlantic
本文作者： 21ST
教案见网站WE build huge ships not just to carry people and things, but for war (战争). Some are nuclear powered (核动力的) and can travel deep under water. Le Triomphant is a French nuclear submarine (潜艇) and HMS Vanguard is a British one. |  |
| |||||||||||||||||||||||||||||||
京公网安备 11010502033664号