touchhole
n. 点火孔
例句
- Flash in the pan, an explosion of gunpowder without any communication beyond the touchhole. 池内火花，火药爆炸，却未到达枪口外。
- they apparently were fired by applying a red-hot wire to a touchhole drilled through the top. ）类似旧式汽水瓶，显然经由连至顶部火门的红热导线而发射。