gunboats ['ɡʌnboʊts]

例句:

• Our gunboats are ploughing the waves.
  我军炮艇正在破浪前进.
  
• A lot of gunboats were in port.
  港口里停着许多炮艇.
  
• Coming up behind them were warships and gunboats.
  紧跟在他们后面的是军舰和炮艇.
  
• With the Israeli gunboats gone, fishermen waded into the Mediterranean.
  来自WSJ
• They used gunboats to open China to trade, and shattered the image of order and invincibility cultivated by the Qing emperors.
  来自BBC