Corundum sand
[化] 刚玉砂
🧩 词语组成解析
n. 刚玉, 金刚砂\\n[化] 刚玉
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
Governments wage a constant war against counterfeiting.
政府掀起持久的打假活动。
It is not work that kills,but worry.
工作不会伤身，伤身乃是忧虑。
I'm not sure. It was difficult to see. Wei Hua and Sun Meiying were both neck and neck.
我不敢肯定。很难说。魏华和孙美英不分上下。