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.
從來不使用化學物質如氫氟酸或氟化銨清潔電氣石，因為它可以削弱石頭。
- The main anionic finishing agents applied in textiles are tourmaline and natural ores with micro-pores and lanthanon.
紡織品中應用的負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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