机关枪用英语怎么说

机关枪用英语称为 "machine gun"。

来源：机关枪最早的设计可以追溯到19世纪末，当时被称为“连续式火炮”。它们是由工程师和机械师发明和设计的，旨在提高射击速度和火力。

英文例句:

The enemy was firing a heavy machine gun at us.
翻译：敌人对我们发射了重机关枪。
The soldier carried a machine gun on his shoulder.
翻译：这名士兵肩上背着机关枪。
The machine gun was responsible for many casualties during the war.
翻译：这把机关枪在战争中导致了许多伤亡。