齊射 angolul

salvo [salvos]▼(concentrated fire from pieces of artillery)
noun
[UK: ˈsæl.vəʊ] [US: ˈsælvo.ʊ]

volley [volleys]▼(simultaneous fire)
noun
[UK: ˈvɒ.li] [US: ˈvɑː.li]