礼炮的英文：
a gun salute (e.g. 21-gun salute)
salvo

参考例句：

They fired a salute.
他们鸣放礼炮。

Fire a 21-gun salute
鸣放21响礼炮.

Fire [give] a 10-gun salute
鸣放十响礼炮

The gun thundered out a salute.
礼炮轰响着致敬。

The captain ordered his men to fire a salute
船长命令部下鸣放礼炮。

The queen was saluted with twenty-one guns.
鸣礼炮21响欢迎女王。

salute是什么意思：
v. 行礼；致敬；欢迎；迎接；赞扬，颂扬；打招呼，致意
n. 敬礼，行礼；致敬；举枪，举刀，举手（礼）

imprint a chaste salute
吻手或吻颊

Jackson nodded a salutation.
杰克逊点头打招呼。

A black policeman passed by saluting smartly.
一个穿黑制服的警察潇洒地敬了一个礼从旁边走过。

salvo是什么意思：
n. 保留条款,口实,保护手段,齐射,齐鸣,突然爆发

The encounter at Ulsan was the opening salvo in Chung's battle to turn the korean auto maker into a global player
蔚山之行打响了郑要使韩国的汽车生产者成为全球性的竞争者的战役。