Reduction of area
[化] 断面收缩率
🧩 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];
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
It's no use crying over spilt milk. What's done cannot be undone.
覆水难收。
When would you like to return?
你打算什么时候回来？
I can't get through.
我打不通。