Concentration of production
[经] 生产集中
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
They do.
是的。
The girl I love is much younger than me.
我爱上的女孩比我小多了。
It was Wednesday.
昨天是星期三。