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
I expect you to be punctual.
我希望你守时。
If you don't aim high you will never hit high.
不立大志，难攀高峰。
It has been said that everyone lives by selling something.
据说每个人都靠出售某种东西来维持生活。