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
Can you assist me in this matter?
这件事您能帮助我吗？
Time is money.
时间就是金钱。
OK. We can get some more tomorrow. We should finish the floor now. Can you take the other end of this piece of wood? Now you have to pull it to make the surface smooth like that.
好吧。我们明天再多买些。现在我们应该把地板弄好。你能抓住木板的另一端吗？现在你要来回拉动木板，使它的表面象那块儿木板一样光滑。