3 sentences

1. 潜艇发射了一枚鱼雷。

   qián​tǐng fā​shè le yī méi yú​léi.

   The submarine fired a torpedo.

   Source: Dong Chinese Dictionary

2. 准备发射鱼雷。

   zhǔn​bèi fā​shè yú​léi.

   Prepare to fire torpedoes.

   Source: OpenSubtitles

3. 那可不是鱼雷。

   nà kě bù shì yú​léi.

   That's no torpedo.

   Source: OpenSubtitles