导火索
6.To prepare(a gun or mine) for firing by inserting a charge of gunpowder or a primer.
8.What really brought things to the boil was a newspaper article alleging embezzlement.
9.The gauze disc (6) serves to hold the coiled wick tightly against the fuel charge, while the back plate (10) protects the washer.
10.The bombing of the Belgrade embassy was the match that set off the explosion. Mutual suspicions fed on each other.
