Corundum
n. 刚玉, 金刚砂\\n[化] 刚玉
📖 牛津释义
corundum
n[U]
hard crystallized mineral used chiefly in abrasives, or in powder form for polishing 刚玉; 刚石; 金刚砂.
🗣️ 情景例句
I guess you know what's best for the family and for me.
我猜想你们一定知道怎样做对整个家庭和我是最有利的。
Believe not all that you see nor half what you hear.
眼见的不能全信,耳闻的也不能半信。
the most destructive effects have come not from physical weapons but from ideas.
破坏作用最大的不是杀人的武器,而是思想。
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