Centroid of area
[机] 面心
🧩 词语组成解析
n. 质心\\n[机] 瞬心线
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
When did the Roman Empire come into being?
罗马帝国是什么时候形成的？
The mills of God grind slowly but sure.
天网恢恢，疏而不漏。
The Ombudsman immediately wrote to the Chief of Police in the district asking him to send a record of the case.
司法特派员立即写信给当地警察局长，请他寄送与此事有关的材料。