Restriction of output
[经] 出产量的限制
🧩 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
I'm relieved to hear that.
你的话使我松了一口气。
The stations are always full of people.
火车站里经常挤满了人。
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。