如何使用 "submarine" 造句

1. Complex subjects like submarine warfare take years to master .
要掌握潜艇战这样复杂的科目需要数年的时间。
2. The entry to this restaurant is through a simulated submarine voyage .
这家餐厅的入口是模拟潜水艇的航行。
3. Can there be such a thing as a submarine state ?
能有这么一个存在于海底的国家吗?
4. A nuclear submarine is an amazing machine .
核潜艇是一台让人难以置信的机器。
5. Right now , they are modernizing an indian submarine .
现在他们是印度的一个现代化的潜艇。