Corundum
n. 刚玉, 金刚砂\\n[化] 刚玉
✅ 同义词
📖 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.
🏥 医学释义
金刚砂，刚玉
🗣️ 情景例句
Sounds good. I'll be there at 7.
很好。我7点会到。
In fact she's 20 years old.
她只有二十岁。
Dad, this bag is too big. We can't carry it.
爸爸，这个包太重了，我搬不动。