Classified grinding
[建] 分級研磨
?? 詞語組成解析
classified
['kl?sifaid;'kl?s??faid]
adj. 保密的，（信息）歸入密級的;分類的，歸類的;
v. 分類( classify的過去式和過去分詞);
a. 刺耳的, 沉重的, 劇烈的\\n[化] 研磨; 磨碎
??? 情景例句
I never slept.
我總睡不著。
It's been a long time.
好久不見了。
The situation is serious. Something must be done before it's too late.
形勢危急。得及時采取措施。