/fju:z; fjuz/
n
1 piece of easily burnt material (eg rope, paper) along which a spark moves to ignite a firework, bomb, etc so that it explodes 导火线; 导火索.
2 (US also fuze/ fju:z; fjuz/) device that makes a bomb, shell, etc explode either on impact or at a particular time 引信; 信管; 雷管
*The bomb had been set with a four-hour fuse. 炸弹上装了一个四小时起爆的引信.
3 (idm 习语) on a short fuse => short1.

/fju:z; fjuz/
v [I, Ipr, Ip, Tn, Tn.pr, Tn.p]
1 (cause sth to) become liquid by means of heat （加热使某物）变成液体; 熔化; 熔融
*fuse metals (into a solid mass) 使金属熔化（成为硬块）.
2 join (sth) or become joined by means of heat （加热）连接某物; 熔合
*fuse two pieces of wire together 熔合两根金属丝
* (fig 比喻) The two companies are fused by their common interests. 两公司因有共同利益而结合在一起.

/fju:z; fjuz/
n (in an electric circuit) short piece of wire that melts and breaks the circuit if the current exceeds a safe level 保险丝
*It looks as though you've blown a fuse, ie caused it to melt. 看样子你把保险丝烧断了.

v
1 [I, Tn] (of an electric circuit) stop or cause to stop working because a fuse melts （指电路）因保险丝烧断而断电
*The lights have all fused. 保险丝断了, 灯都灭了.
* I've fused all the lights. 我把保险丝烧断了, 电灯全都灭了.
2 [Tn] put a fuse in (a circuit or an appliance) （在电路或电器上）安装保险丝.