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boron
n. [化]硼 简写符号:Bboron详解释义 boron n.(名词) 【化】硼 Noun a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder boron例句 用作名词(n.) Borax is the compound commonly applied to the soil to correct boron...
发布时间:2026-06-09 浏览量:0