tourmaline
n.
電氣石
英語翻譯 Noun:
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a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones
造句
用作名詞(n.)
- Never use chemicals such as hydrofluoric acid or ammonium fluoride to clean Tourmaline because it can erode the stone.
從來不使用化學(xué)物質(zhì)如氫氟酸或氟化銨清潔電氣石，因?yàn)樗梢韵魅跏^。
- The main anionic finishing agents applied in textiles are tourmaline and natural ores with micro-pores and lanthanon.
紡織品中應(yīng)用的負(fù)離子整理劑主要為電氣石和加稀土元素的天然超微多孔質(zhì)礦石。
常用短語
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iron tourmaline
鐵電氣石
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brown tourmaline
棕碧硒
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alkaline tourmaline
堿電氣石
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