gun powder meaning in English

黑色火药
火药

It is generally / widely considered that gun powder was invented in china
译： 1 )人们普遍认为火药发明于中国。
Or play with gun powder
还是玩火药？
Shot gun powders
猎枪用火药
In this way , the influence of artificial disturbing in the measurement is unavoidable and the result is not very accurate and can not be measured automatically and directly , furthermore , there are some unsafe elements for the use of gun powder which is used to generate a high - power acoustic signal
传统方法中，由于人为因素的影响，测量结果的误差较大，而且不直接，不方便，无法自动完成测量，同时，爆炸声源的使用引入了火工品，存在一定的安全隐患。