Instantaneous center(of rotation)
[化] (转动)瞬心
🧩 词语组成解析
🗣️ 情景例句
I grew up in Riverdale, remember?
你记得吗？我就是在 Riverdale长大的。
Often and little eating makes a man fat.
少吃多餐，身强体胖。
the bank and its customer owe a large number of obligations to one another.
银行和储户彼此还需承担大量义务。