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
You bet I have!
我铁定已经钓到了！
Give my best to your family.
代我向你们全家问好。
Mars is too dry and poor in oxygen, Venus far too hot, and so is Mercury,
火星太干燥又缺氧，金星太热，水星也一样。