Partical velocity
[电] 粒子速度
🧩 词语组成解析
[电] 质点
🗣️ 情景例句
Change the light bulb, it's burnt out.
换一个灯泡吧，它烧坏了。
She is the boss in the house.
她是一家之主。
It will take me several hours if I really look at everything.
如果全部参观的话，那得需要好几个小时。