The explosive new style helped cut killy's racing time dramatically.
2019年6月六级真题(第一套)听力 Section B
Think of something as seemingly benign as the cellphone: we have microfinance and text-based social networking at one end of the spectrum, and improvised explosive devices at the other.
2019年6月六级真题(第三套)阅读 Section B
柯林斯高阶英汉双解学习词典释义
N-VAR
炸药;爆炸物
An explosive is a substance or device that can cause an explosion.