Partical velocity
[电] 粒子速度
🧩 词语组成解析
[电] 质点
🗣️ 情景例句
I've been having a hard time keeping my eyes open
我一直挣扎着要让双眼睁开
One woe doth tread upon another's heels.
祸不单行。
When he went outside half an hour later, he was astonished to find the little black lamb was almost white.
半小时后，当他从屋里出来时，他惊奇地发现小黑羔羊全身几乎都变成白色。