black powder
用于火器和炸药。
常用释义
英式发音
美式发音
基本释义
- 黑火药：一种早期的火药，由硝酸钾、木炭和硫磺混合制成，用于火器和炸药。
例句
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1·What is this black powder on your desk?你桌子上的黑色粉末是什么？
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2·Porperties: Brown black powder, solve in water and mellow.性状：棕黑色粉末，溶于水和醇。
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3·But then I saw that he had a bit of black powder on his fingertip.不过，接着我就看见他指尖上有一撮黑色粉末。
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4·In other smuts the spores form an uncovered mass of black powder.在另一些黑粉病中孢子形成无覆盖的黑色粉末。
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5·Mixture of black powder and magnesium has a tendency to segregate.黑药和镁的混合物具有离析的倾向。
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6·Mixture of black powder and magnesium have a tendency to segregate.黑药和镁的混合物具有离析的倾向。
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7·Mixture of black powder and magnesium have a tendency to segregate .黑药和镁的混合物具有离析的倾向。
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8·It is made of extremely rugged heavy-gauge black powder-coated steel.它是由非常坚固重轨黑色粉末涂层钢板。
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9·Light black or black powder, water and alcohol insoluble, but acid soluble.灰黑或黑色粉未，不溶于水、乙醇，溶于酸。
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10·Powder (for non-porous surfaces) : Metallic silver powder or velvet black powder.粉末：银色粉末和黑色粉末。