The boat was struck by a torpedo and sank.

这艘船被鱼雷击中，沉没了。

Porpoise's speed may amount to each hour 40 kilometers, is equal to the torpedo speed boat middle speed.

海豚的速度可达每小时40公里，相当于鱼雷快艇的中等速度。

Often the only warning before a U-boat attack was the "feather" or foam track of a curious periscope, followed by the bubbling track of a torpedo.

通常唯一的警告是在U艇攻击前会有潜望镜造成的水面泡沫，其次是鱼雷攻击轨迹。

The torpedo boat sheared through the waves.

鱼雷快艇破浪前进。