Reduction of crosssection 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
This job offers me a real challenge.
这项工作对我构成真正的挑战。
To be afraid of getting a ticket
害怕得到交通罚款单
The rope had been cut, so it was obvious that the lamb had been stolen.
绳子被人割断，很明显小羔羊是被人偷走了。