Compactness of region
[计] 区域压缩性
🧩 词语组成解析
compactness
[kəm'pæktnis]
n. 紧密;坚实;紧凑;小巧;
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];
🗣️ 情景例句
What's the matter?
有什么事？
Kept waving to her mother until the train was out of sight.
不断地冲她的母亲挥手，直到火车驶出了视线。
We realized that they must have become unduly frightened by the rising flood,
我们意识到他们一定是被不断上涨的洪水吓坏了。