基本金屬
拼音：jī běn jīn shǔ英文解釋：
【機】 primary constituent漢語造句：
- 成色，純度和基本金屬的相對混合程度；純度The relative degree of mixture with a base metal; fineness.
- 鍊金術，煉丹術中世紀的一種化學哲學。其聲稱的目標是將一些基本金屬轉變為金子，發現萬靈藥及製備長生不老藥A medieval chemical philosophy having as its asserted aims the transmutation of base metals into gold, the discovery of the panacea, and the preparation of the elixir of longevity.
- 通過增加基本金屬來降低價值。lower in value by increasing the base-metal content; of metals.