Hexogen
[化] 黑索今; 环三亚甲基三硝基胺
🗣️ 情景例句
Always remember to wash your hands before eating.
用餐前谨记要洗手。
Must be.
一定是。
There had been fuel on the ship, but this did not appear to have caused the fire, and little smoke was produced.
很显然，船舱里已经发生了一场烈火，但是船舱内壁却完好无损。船上存放着汽油，但火灾似乎不是它引起的，因为没有冒出什么烟来。