Partical velocity
[电] 粒子速度
🧩 词语组成解析
[电] 质点
🗣️ 情景例句
I guess so.
我猜是这样。
Don't be so stubborn!
你还嘴硬！
Right from the start there was trouble with the Hubble.
从最开始哈勃望远镜就有问题。