请输入您要查询的英文单词：
单词
high-grade mineral
释义
high-grade mineral
in British English
(
ˌhaɪˈɡreɪd ˈmɪn
ə
rəl
)
noun
a mineral fulfilling certain conditions as regards purity or other physical properties
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更新时间：2025/10/29 0:17:49