Partical velocity
[电] 粒子速度
🧩 词语组成解析
[电] 质点
🗣️ 情景例句
that will bring parents and teachers together once a week
让家长们及教师每星期一次
He stole my purse!
他偷了我的手袋！
It was necessary to recognize that these institutions which are based on the same premises,
必须认识到，这些建立在相同前提基础上的风俗，