Centroid of volume
[计] 体积质心
🧩 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];
🗣️ 情景例句
Mary, we're going to miss you.
玛丽，我们会很想你的。
The feature started at 9 o'clock and ended at 11:30.
放映在9点钟开始了并且将在11:30结束了。
What do the machines do? asked Jim.
“这些机器做什么用？”吉姆问。