smokeless powder
A surname from German.
present participle of double-click
The fetus or embryo, including all the surrounding tissues protecting and nourishing it during pregnancy.
An explosive, similar to gunpowder, consisting of nitrocellulose mixed with nitroglycerine or nitroguanidine; it burns with very little smoke.
銃職人は、そのヴィンテージライフルに使われているニトロセルロース系の推進薬が黒色火薬よりも安全で威力があると説明した。
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