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gunpowder的音標(biāo)：gunpowder的英式發(fā)音音標(biāo)為：['g?npa?d?(r)]gunpowder的美式發(fā)音音標(biāo)為：['ɡ?n?pa?d?]...
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n.火藥，有煙火藥，黑色火藥，中國珠茶...
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Gunpowder was used in China as far back as the 11 th century.遠(yuǎn)在公元11世紀(jì),中國已使用火藥.A smell of gunpowder penetrated the woods.森林中彌漫著火藥味.Gunpowder was introduced into Europe during the first half of the 14 th century.在14世紀(jì)上半葉,火...
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Gunpowder is composed of sulfur, carbon, and potassium nitrate.火藥是由硫 、 碳和硝酸鉀組成.A smell of gunpowder penetrated the woods.森林中彌漫著火藥味.Gunpowder was used in China as far back as the 11 th century.遠(yuǎn)在公元11世紀(jì),中國已使用火藥.Gunpowder w...