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
In those days, when they made quilts.
那个时代 ，人们做被罩时，
There is a mole under the ground.
地下有一只鼹鼠。
Right. They're running and jumping all the time.
对，他们老是跑啊跳的。