fuzes

The museum's old artillery shell still has its original fuze, but it is no longer dangerous.

用法提示：这里 fuze 是名词，指炮弹上的‘引信’。

Before the test launch, the engineer checked the fuze to make sure it would ignite the rocket propellant at the right moment.

用法提示：此处 fuze 作名词，表示点燃推进剂的‘引信’。

The soldiers carefully attached new fuzes to the practice grenades before the drill.

用法提示：这里 fuzes 是 fuze 的复数形式，作名词，指‘引信’。