Corundum disk
[医] 刚玉磨盘
🧩 词语组成解析
n. 刚玉, 金刚砂\\n[化] 刚玉
disk
[dɪsk]
n. 磁盘;唱片;圆盘;光盘;
v. 把…录成唱片;使成圆盘状;用圆盘耕地;
🗣️ 情景例句
My boyfriend just broke up with me.
我的男朋友和我分手了。
Silverwind took a firm grasp of his axe.
银风紧握住斧柄。
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。