Nitropowder
[化]硝化火药
🗣️ 情景例句
Television is the most powerful tool of persuasion that man has ever created.
电视是人类所创造的最有威力的游说工具。
Sound in body, sound in mind.
有健全的身体才有健全的精神。
You must weigh it carefully.
你必须仔细地称一称重量。