howitzer的复数形式怎么拼写

Therefore, every country in the world is actively doing the research on digital light - duty Automatic Howitzer.但是却难以满足现代战争的需要, 因而世界各国都在积极研制数字化、轻型化的自走火炮.The final version, Ausf N, mounted a short 75 mm howitzer for use i...

howitzer的音标：howitzer的英式发音音标为：['haʊɪtsə(r)]howitzer的美式发音音标为：['haʊɪtsɚ]...

n.榴弹炮...