Student submariners gather at the Naval Surface Warfare Center in Maryland to compete in a race that tests their engineering skills-and ability to pedal under water.
建造潜艇的学生们聚集在马里兰州的海军水面作战中心来参加一次比赛以测试他们的工程技能- - -和在水下踩踏板的能力。
Student submariners gather at the Naval Surface Warfare Center in Maryland to compete in a race that tests their engineering skills-and ability to pedal under water.
建造潜艇的学生们聚集在马里兰州的海军水面作战中心来参加一次比赛以测试他们的工程技能- - -和在水下踩踏板的能力。
应用推荐