gunpowder

n.

火药；有烟火药，黑色火药；中国珠茶；

1. The rebels were short of gunpowder.
   反叛者们缺少弹药。
2. Sulphur can be used to make gunpowder.
   硫磺可以用来制造火药。
3. A smell of gunpowder penetrated the woods.
   森林中弥漫着火药味。

Gunpowder substituted composition and method
Detection of gunpowder stabilizers with ion mobility spectrometry
Predatory Pricing: The Case of the Gunpowder Trust
A History of Greek Fire and Gunpowder by J. R. Partington
Gunpowder and Galleys: Changing Technology and Mediterranean Warfare at Sea in the Sixteenth Century
Characterization of gunpowder samples using time-of-flight secondary ion mass spectrometry (TOF-SIMS)
Characterization of smokeless gunpowder by means of diphenylamine stabilizer and its nitrated derivatives
Comparing the additive composition of smokeless gunpowder and its handgun-fired residues
Analysis of organic components of smokeless gunpowders: high-performance liquid chromatogaphy vs. micellar electrokinetic capillary ...
Determination of diphenylamine stabilizer and its nitrated derivatives in smokeless gunpowder using a tandem MS method