Nitroglycerin belongs to a class of drugs called vasodilators. A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions. Nitroglycerin works by relaxing the smooth muscle and blood vessels in your body.
华语解释:名詞
硝化甘油炸药(甘油叁硝酸脂)
其实我也不会这个词语。我是通过上网和查字典才知道的。希望可以帮到你。(o^^o)