An electrical safety device that melts to break a circuit

• A replaceable link protecting equipment from overcurrent

过流时熔化以断开电路的电气保护装置

• 可更换的导体，用于防止过载

To melt and join into one mass

• To blend or unite into a single whole

熔合成一体

• 融合或合并为整体

A cord, tube, or device that ignites an explosive

• The detonating mechanism of a bomb or shell

点燃爆炸物的导火索、引信或装置

• 炸弹或炮弹的起爆机构

To equip or install a fuse in an explosive

给爆炸物安装引信

A quick temper; a tendency to lose patience easily

脾气急躁；容易失去耐心的倾向