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
How are you getting on with your studies?
你功课情况如何？
Many wells, many buckets.
井多吊桶也多。
It was so heavy that a crane had to be used to remove it from the lorry.
饼干份量太重了，用了一台起重机才把它从卡车上卸下。