But as very massive stars live fast and die young, their explosive demises eject material, likely forming the loops.

但是因为超大质量恒星死的早，它们的爆炸放射出一系列的物质，就像形成的圆环。

youdao

Engineers are finding ways to use less explosive material.

工程师们正在想方设法去减少使用爆炸材料。

youdao

Sensor networks to detect and characterize Chemical, Biological, Radiological, Nuclear, and Explosive (CBRNE) attacks and material.

传感器网络用来检测和识别化学，生物，辐射，核，和爆炸(CBRNE)攻击和材料。

youdao

News reports said Adair used about three hundred forty kilograms of nitroglycerine explosive material to pull the oxygen out of the fire.

VOA: special.2009.03.22

But the acquisition of radioactive material for a so-called 'dirty bomb,' which is radioactive material that is dispersed with a conventional explosive device, that is not that challenging.

VOA: standard.2009.05.01

Although both are made from petroleum jelly, only one of them has potentially explosive material.

WSJ: William Tucker: Japan Does Not Face Another Chernobyl

According to Air Force officials, the 20.5 foot-long MOP carries over 5, 300 pounds of explosive material.

WSJ: Pentagon Seeks Mightier Bomb vs. Iran

Each shell contains a small amount of explosive material, and some is used to produce whistles and other effects.

WSJ: Boston Bombing Suspects Roused by Jihadist Thought